chore: import upstream snapshot with attribution

runtime/android/AndroidClient/app/build.gradle

@@ -0,0 +1,71 @@
+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'com.yeyupiaoling.androidclient'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "com.yeyupiaoling.androidclient"
+        minSdk 24
+        targetSdk 33
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary true
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+    buildFeatures {
+        compose true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion '1.4.3'
+    }
+    packaging {
+        resources {
+            excludes += '/META-INF/{AL2.0,LGPL2.1}'
+        }
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.1'
+    implementation 'androidx.activity:activity-compose:1.7.0'
+    implementation platform('androidx.compose:compose-bom:2023.03.00')
+    implementation 'androidx.compose.ui:ui'
+    implementation 'androidx.compose.ui:ui-graphics'
+    implementation 'androidx.compose.ui:ui-tooling-preview'
+    implementation 'androidx.compose.material3:material3'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.8.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    androidTestImplementation platform('androidx.compose:compose-bom:2023.03.00')
+    androidTestImplementation 'androidx.compose.ui:ui-test-junit4'
+    debugImplementation 'androidx.compose.ui:ui-tooling'
+    debugImplementation 'androidx.compose.ui:ui-test-manifest'
+
+    implementation 'com.squareup.okhttp3:okhttp:4.9.1'
+}

runtime/android/AndroidClient/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

runtime/android/AndroidClient/app/src/androidTest/java/com/yeyupiaoling/androidclient/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package com.yeyupiaoling.androidclient
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.yeyupiaoling.androidclient", appContext.packageName)
+    }
+}

runtime/android/AndroidClient/app/src/main/AndroidManifest.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@drawable/logo"
+        android:label="@string/app_name"
+        android:roundIcon="@drawable/logo"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.AndroidClient"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

runtime/android/AndroidClient/app/src/main/java/com/yeyupiaoling/androidclient/AudioView.java

@@ -0,0 +1,216 @@
+package com.yeyupiaoling.androidclient;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.Point;
+import android.util.AttributeSet;
+import android.view.View;
+
+import androidx.annotation.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class AudioView extends View {
+
+    // 频谱数量
+    private static final int LUMP_COUNT = 128;
+    private static final int LUMP_WIDTH = 6;
+    private static final int LUMP_SPACE = 2;
+    private static final int LUMP_MIN_HEIGHT = LUMP_WIDTH;
+    private static final int LUMP_MAX_HEIGHT = 200;//TODO: HEIGHT
+    private static final int LUMP_SIZE = LUMP_WIDTH + LUMP_SPACE;
+    private static final int LUMP_COLOR = Color.parseColor("#6de8fd");
+
+    private static final int WAVE_SAMPLING_INTERVAL = 3;
+
+    private static final float SCALE = LUMP_MAX_HEIGHT / LUMP_COUNT;
+
+    private ShowStyle upShowStyle = ShowStyle.STYLE_HOLLOW_LUMP;
+    private ShowStyle downShowStyle = ShowStyle.STYLE_WAVE;
+
+    private byte[] waveData;
+    List<Point> pointList;
+
+    private Paint lumpPaint;
+    Path wavePath = new Path();
+
+
+    public AudioView(Context context) {
+        super(context);
+        init();
+    }
+
+    public AudioView(Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public AudioView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init();
+    }
+
+    private void init() {
+        lumpPaint = new Paint();
+        lumpPaint.setAntiAlias(true);
+        lumpPaint.setColor(LUMP_COLOR);
+
+        lumpPaint.setStrokeWidth(2);
+        lumpPaint.setStyle(Paint.Style.STROKE);
+    }
+
+    public void setWaveData(byte[] data) {
+        this.waveData = readyData(data);
+        genSamplingPoint(data);
+        invalidate();
+    }
+
+
+    public void setStyle(ShowStyle upShowStyle, ShowStyle downShowStyle) {
+        this.upShowStyle = upShowStyle;
+        this.downShowStyle = downShowStyle;
+    }
+
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        wavePath.reset();
+
+        for (int i = 0; i < LUMP_COUNT; i++) {
+            if (waveData == null) {
+                canvas.drawRect((LUMP_WIDTH + LUMP_SPACE) * i,
+                        LUMP_MAX_HEIGHT - LUMP_MIN_HEIGHT,
+                        (LUMP_WIDTH + LUMP_SPACE) * i + LUMP_WIDTH,
+                        LUMP_MAX_HEIGHT,
+                        lumpPaint);
+                continue;
+            }
+
+            switch (upShowStyle) {
+                case STYLE_HOLLOW_LUMP:
+                    drawLump(canvas, i, false);
+                    break;
+                case STYLE_WAVE:
+                    drawWave(canvas, i, false);
+                    break;
+                default:
+                    break;
+            }
+
+            switch (downShowStyle) {
+                case STYLE_HOLLOW_LUMP:
+                    drawLump(canvas, i, true);
+                    break;
+                case STYLE_WAVE:
+                    drawWave(canvas, i, true);
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+
+    /**
+     * 预处理数据
+     *
+     * @return
+     */
+    private static byte[] readyData(byte[] fft) {
+        byte[] newData = new byte[LUMP_COUNT];
+        byte abs;
+        for (int i = 0; i < LUMP_COUNT; i++) {
+            abs = (byte) Math.abs(fft[i]);
+            //描述：Math.abs -128时越界
+            newData[i] = abs < 0 ? 127 : abs;
+        }
+        return newData;
+    }
+
+    /**
+     * 绘制曲线
+     *
+     * @param canvas
+     * @param i
+     * @param reversal
+     */
+    private void drawWave(Canvas canvas, int i, boolean reversal) {
+        if (pointList == null || pointList.size() < 2) {
+            return;
+        }
+        float ratio = SCALE * (reversal ? -1 : 1);
+        if (i < pointList.size() - 2) {
+            Point point = pointList.get(i);
+            Point nextPoint = pointList.get(i + 1);
+            int midX = (point.x + nextPoint.x) >> 1;
+            if (i == 0) {
+                wavePath.moveTo(point.x, LUMP_MAX_HEIGHT - point.y * ratio);
+            }
+            wavePath.cubicTo(midX, LUMP_MAX_HEIGHT - point.y * ratio,
+                    midX, LUMP_MAX_HEIGHT - nextPoint.y * ratio,
+                    nextPoint.x, LUMP_MAX_HEIGHT - nextPoint.y * ratio);
+
+            canvas.drawPath(wavePath, lumpPaint);
+        }
+    }
+
+    /**
+     * 绘制矩形条
+     */
+    private void drawLump(Canvas canvas, int i, boolean reversal) {
+        int minus = reversal ? -1 : 1;
+        float top = (LUMP_MAX_HEIGHT - (LUMP_MIN_HEIGHT + waveData[i] * SCALE) * minus);
+
+        canvas.drawRect(LUMP_SIZE * i,
+                top,
+                LUMP_SIZE * i + LUMP_WIDTH,
+                LUMP_MAX_HEIGHT,
+                lumpPaint);
+    }
+
+    /**
+     * 生成波形图的采样数据，减少计算量
+     *
+     * @param data
+     */
+    private void genSamplingPoint(byte[] data) {
+        if (upShowStyle != ShowStyle.STYLE_WAVE && downShowStyle != ShowStyle.STYLE_WAVE) {
+            return;
+        }
+        if (pointList == null) {
+            pointList = new ArrayList<>();
+        } else {
+            pointList.clear();
+        }
+        pointList.add(new Point(0, 0));
+        for (int i = WAVE_SAMPLING_INTERVAL; i < LUMP_COUNT; i += WAVE_SAMPLING_INTERVAL) {
+            pointList.add(new Point(LUMP_SIZE * i, waveData[i]));
+        }
+        pointList.add(new Point(LUMP_SIZE * LUMP_COUNT, 0));
+    }
+
+
+    /**
+     * 可视化样式
+     */
+    public enum ShowStyle {
+        /**
+         * 空心的矩形小块
+         */
+        STYLE_HOLLOW_LUMP,
+
+        /**
+         * 曲线
+         */
+        STYLE_WAVE,
+
+        /**
+         * 不显示
+         */
+        STYLE_NOTHING
+    }
+}

runtime/android/AndroidClient/app/src/main/java/com/yeyupiaoling/androidclient/MainActivity.java

@@ -0,0 +1,361 @@
+package com.yeyupiaoling.androidclient;
+
+import android.Manifest;
+import android.annotation.SuppressLint;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.media.AudioFormat;
+import android.media.AudioRecord;
+import android.media.MediaRecorder;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.WebSocket;
+import okhttp3.WebSocketListener;
+import okio.ByteString;
+
+public class MainActivity extends AppCompatActivity {
+    public static final String TAG = MainActivity.class.getSimpleName();
+    // WebSocket地址
+    public String ASR_HOST = "";
+    // 官方WebSocket地址
+    public static final String DEFAULT_HOST = "wss://101.37.77.25:10088";
+    // 发送的JSON数据
+    public static final String MODE = "2pass";
+    public static final String CHUNK_SIZE = "5, 10, 5";
+    public static final int CHUNK_INTERVAL = 10;
+    public static final int SEND_SIZE = 1920;
+    // 热词
+    private String hotWords = "阿里巴巴 20\n达摩院 20\n夜雨飘零 20\n";
+    // 采样率
+    public static final int SAMPLE_RATE = 16000;
+    // 声道数
+    public static final int CHANNEL = AudioFormat.CHANNEL_IN_MONO;
+    // 返回的音频数据的格式
+    public static final int AUDIO_FORMAT = AudioFormat.ENCODING_PCM_16BIT;
+    private AudioRecord audioRecord;
+    private boolean isRecording = false;
+    private AudioView audioView;
+    private String allAsrText = "";
+    private String asrText = "";
+    private SharedPreferences sharedPreferences;
+    // 控件
+    private Button recordBtn;
+    private TextView resultText;
+
+    @SuppressLint("ClickableViewAccessibility")
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        // 请求权限
+        if (!hasPermission()) {
+            requestPermission();
+        }
+        // 显示识别结果控件
+        resultText = findViewById(R.id.result_text);
+        // 显示录音状态控件
+        audioView = findViewById(R.id.audioView);
+        audioView.setStyle(AudioView.ShowStyle.STYLE_HOLLOW_LUMP, AudioView.ShowStyle.STYLE_NOTHING);
+        // 按下识别按钮
+        recordBtn = findViewById(R.id.record_button);
+        recordBtn.setOnTouchListener((v, event) -> {
+            if (event.getAction() == MotionEvent.ACTION_UP) {
+                if (!ASR_HOST.equals("")) {
+                    isRecording = false;
+                    stopRecording();
+                    recordBtn.setText("按下录音");
+                }
+            } else if (event.getAction() == MotionEvent.ACTION_DOWN) {
+                if (!ASR_HOST.equals("")) {
+                    allAsrText = "";
+                    asrText = "";
+                    isRecording = true;
+                    startRecording();
+                    recordBtn.setText("录音中...");
+                }
+            }
+            return true;
+        });
+        // 读取WebSocket地址
+        sharedPreferences = getSharedPreferences("FunASR", MODE_PRIVATE);
+        String uri = sharedPreferences.getString("uri", "");
+        if (uri.equals("")) {
+            showUriInput();
+        } else {
+            ASR_HOST = uri;
+        }
+        // 读取热词
+        String hotWords = sharedPreferences.getString("hotwords", null);
+        if (hotWords != null) {
+            this.hotWords = hotWords;
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.menu, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        int id = item.getItemId();
+        if (id == R.id.change_uri) {
+            showUriInput();
+            return true;
+        } else if (id == R.id.change_hotwords) {
+            showHotWordsInput();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    // 显示WebSocket地址输入框
+    private void showUriInput() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
+        builder.setTitle("请输入WebSocket地址：");
+        View view = LayoutInflater.from(MainActivity.this).inflate(R.layout.dialog_input_uri, null);
+        final EditText input = view.findViewById(R.id.uri_edit_text);
+        if (!ASR_HOST.equals("")) {
+            input.setText(ASR_HOST);
+        }
+        builder.setView(view);
+        builder.setPositiveButton("确定", (dialog, id) -> {
+            ASR_HOST = input.getText().toString();
+            if (!ASR_HOST.equals("")) {
+                Toast.makeText(MainActivity.this, "WebSocket地址：" + ASR_HOST, Toast.LENGTH_SHORT).show();
+                SharedPreferences.Editor editor = sharedPreferences.edit();
+                editor.putString("uri", ASR_HOST);
+                editor.apply();
+            }
+        });
+        builder.setNeutralButton("使用官方服务", (dialog, id) -> {
+            ASR_HOST = DEFAULT_HOST;
+            input.setText(DEFAULT_HOST);
+            Toast.makeText(MainActivity.this, "WebSocket地址：" + ASR_HOST, Toast.LENGTH_SHORT).show();
+            SharedPreferences.Editor editor = sharedPreferences.edit();
+            editor.putString("uri", ASR_HOST);
+            editor.apply();
+        });
+        AlertDialog dialog = builder.create();
+        dialog.show();
+    }
+
+    // 显示热词输入框
+    private void showHotWordsInput() {
+        AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
+        builder.setTitle("请输入热词：");
+        View view = LayoutInflater.from(MainActivity.this).inflate(R.layout.dialog_input_hotwords, null);
+        final EditText input = view.findViewById(R.id.hotwords_edit_text);
+        if (!this.hotWords.equals("")) {
+            input.setText(this.hotWords);
+        }
+        builder.setView(view);
+        builder.setPositiveButton("确定", (dialog, id) -> {
+            String hotwords = input.getText().toString();
+            this.hotWords = hotwords;
+            SharedPreferences.Editor editor = sharedPreferences.edit();
+            editor.putString("hotwords", hotwords);
+            editor.apply();
+        });
+        AlertDialog dialog = builder.create();
+        dialog.show();
+    }
+
+    // 开始录音
+    private void startRecording() {
+        // 准备录音器
+        try {
+            // 确保有权限
+            if (ActivityCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
+                requestPermission();
+                return;
+            }
+            // 创建录音器
+            audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, SAMPLE_RATE, CHANNEL, AUDIO_FORMAT, SEND_SIZE);
+        } catch (IllegalStateException e) {
+            e.printStackTrace();
+        }
+        // 开启一个线程将录音数据写入文件
+        Thread recordingAudioThread = new Thread(() -> {
+            try {
+                setAudioData();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        });
+        recordingAudioThread.start();
+        // 启动录音器
+        audioRecord.startRecording();
+        audioView.setVisibility(View.VISIBLE);
+    }
+
+    // 停止录音器
+    private void stopRecording() {
+        audioRecord.stop();
+        audioRecord.release();
+        audioRecord = null;
+        audioView.setVisibility(View.GONE);
+    }
+
+    // 读取录音数据
+    private void setAudioData() throws Exception {
+        // 建立WebSocket连接
+        OkHttpClient client = new OkHttpClient.Builder()
+                // 忽略验证证书
+                .sslSocketFactory(SSLSocketClient.getSSLSocketFactory(), SSLSocketClient.getX509TrustManager())
+                // 不验证域名
+                .hostnameVerifier(SSLSocketClient.getHostnameVerifier())
+                .build();
+        Request request = new Request.Builder()
+                .url(ASR_HOST)
+                .build();
+        WebSocket webSocket = client.newWebSocket(request, new WebSocketListener() {
+
+            @Override
+            public void onOpen(@NonNull WebSocket webSocket, @NonNull Response response) {
+                // 连接成功时的处理
+                Log.d(TAG, "WebSocket连接成功");
+                runOnUiThread(() -> Toast.makeText(MainActivity.this, "WebSocket连接成功", Toast.LENGTH_SHORT).show());
+            }
+
+            @Override
+            public void onMessage(@NonNull WebSocket webSocket, @NonNull String text) {
+                // 接收到消息时的处理
+                Log.d(TAG, "WebSocket接收到消息: " + text);
+                try {
+                    JSONObject jsonObject = new JSONObject(text);
+                    String t = jsonObject.getString("text");
+                    boolean isFinal = jsonObject.getBoolean("is_final");
+                    if (!t.equals("")) {
+                        // 拼接识别结果
+                        String mode = jsonObject.getString("mode");
+                        if (mode.equals("2pass-offline")) {
+                            asrText = "";
+                            allAsrText = allAsrText + t;
+                            // 这里可以做一些自动停止录音识别的程序
+                        } else {
+                            asrText = asrText + t;
+                        }
+                    }
+                    // 显示语音识别结果消息
+                    if (!(allAsrText + asrText).equals("")) {
+                        runOnUiThread(() -> resultText.setText(allAsrText + asrText));
+                    }
+                    // 如果检测的录音停止就关闭WebSocket连接
+                    if (isFinal) {
+                        webSocket.close(1000, "关闭WebSocket连接");
+                    }
+                } catch (JSONException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+
+            @Override
+            public void onClosing(@NonNull WebSocket webSocket, int code, @NonNull String reason) {
+                // 关闭连接时的处理
+                Log.d(TAG, "WebSocket关闭连接: " + reason);
+            }
+
+            @Override
+            public void onFailure(@NonNull WebSocket webSocket, @NonNull Throwable t, Response response) {
+                // 连接失败时的处理
+                Log.d(TAG, "WebSocket连接失败: " + t + ": " + response);
+                runOnUiThread(() -> Toast.makeText(MainActivity.this, "WebSocket连接失败：" + t, Toast.LENGTH_SHORT).show());
+            }
+        });
+        String message = getMessage(true);
+        Log.d(TAG, "WebSocket发送消息: " + message);
+        webSocket.send(message);
+
+        audioRecord.startRecording();
+        byte[] bytes = new byte[SEND_SIZE];
+        while (isRecording) {
+            int readSize = audioRecord.read(bytes, 0, SEND_SIZE);
+            if (readSize > 0) {
+                ByteString byteString = ByteString.of(bytes);
+                webSocket.send(byteString);
+                audioView.post(() -> audioView.setWaveData(bytes));
+            }
+        }
+        JSONObject obj = new JSONObject();
+        obj.put("is_speaking", false);
+        webSocket.send(obj.toString());
+        // webSocket.close(1000, "关闭WebSocket连接");
+    }
+
+    // 发送第一步的JSON数据
+    public String getMessage(boolean isSpeaking) {
+        try {
+            JSONObject obj = new JSONObject();
+            obj.put("mode", MODE);
+            JSONArray array = new JSONArray();
+            String[] chunkList = CHUNK_SIZE.split(",");
+            for (String s : chunkList) {
+                array.put(Integer.valueOf(s.trim()));
+            }
+            obj.put("chunk_size", array);
+            obj.put("chunk_interval", CHUNK_INTERVAL);
+            obj.put("wav_name", "default");
+            if (!hotWords.equals("")) {
+                JSONObject hotwordsJSON = new JSONObject();
+                // 分割每一行字符串
+                String[] hotWordsList = hotWords.split("\n");
+                for (String s : hotWordsList) {
+                    if (s.equals("")) {
+                        Log.w(TAG, "hotWords为空");
+                        continue;
+                    }
+                    // 按照空格分割字符串
+                    String[] hotWordsArray = s.split(" ");
+                    if (hotWordsArray.length != 2) {
+                        Log.w(TAG, "hotWords格式不正确");
+                        continue;
+                    }
+                    hotwordsJSON.put(hotWordsArray[0], Integer.valueOf(hotWordsArray[1]));
+                }
+                obj.put("hotwords", hotwordsJSON.toString());
+            }
+            obj.put("wav_format", "pcm");
+            obj.put("is_speaking", isSpeaking);
+            return obj.toString();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return "";
+    }
+
+    // 检查权限
+    private boolean hasPermission() {
+        return checkSelfPermission(Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED &&
+                checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
+    }
+
+    // 请求权限
+    private void requestPermission() {
+        requestPermissions(new String[]{Manifest.permission.RECORD_AUDIO,
+                Manifest.permission.WRITE_EXTERNAL_STORAGE}, 1);
+    }
+}

runtime/android/AndroidClient/app/src/main/java/com/yeyupiaoling/androidclient/SSLSocketClient.java

@@ -0,0 +1,71 @@
+package com.yeyupiaoling.androidclient;
+
+import java.security.SecureRandom;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSocketFactory;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+
+public class SSLSocketClient {
+    //获取SSLSocketFactory
+    public static SSLSocketFactory getSSLSocketFactory() {
+        try {
+            SSLContext sslContext = SSLContext.getInstance("SSL");
+            sslContext.init(null, getTrustManager(), new SecureRandom());
+            return sslContext.getSocketFactory();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    //获取X509TrustManager
+    public static X509TrustManager getX509TrustManager() {
+        X509TrustManager x509TrustManager = new X509TrustManager() {
+            @Override
+            public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+            }
+
+            @Override
+            public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+            }
+
+            @Override
+            public X509Certificate[] getAcceptedIssuers() {
+                return new X509Certificate[0];
+            }
+        };
+        return x509TrustManager;
+    }
+
+    //获取TrustManager
+    private static TrustManager[] getTrustManager() {
+        TrustManager[] trustAllCerts = new TrustManager[]{
+                new X509TrustManager() {
+                    @Override
+                    public void checkClientTrusted(X509Certificate[] chain, String authType) {
+                    }
+
+                    @Override
+                    public void checkServerTrusted(X509Certificate[] chain, String authType) {
+                    }
+
+                    @Override
+                    public X509Certificate[] getAcceptedIssuers() {
+                        return new X509Certificate[]{};
+                    }
+                }
+        };
+        return trustAllCerts;
+    }
+
+    //获取HostnameVerifier
+    public static HostnameVerifier getHostnameVerifier() {
+        HostnameVerifier hostnameVerifier = (s, sslSession) -> true;
+        return hostnameVerifier;
+    }
+}
+

runtime/android/AndroidClient/app/src/main/res/drawable/edittext_border.xml

@@ -0,0 +1,4 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <stroke android:width="1dp" android:color="#000000" />
+    <padding android:left="5dp" android:top="5dp" android:right="5dp" android:bottom="5dp" />
+</shape>

runtime/android/AndroidClient/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

runtime/android/AndroidClient/app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

runtime/android/AndroidClient/app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".MainActivity">
+
+    <Button
+        android:id="@+id/record_button"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_marginLeft="10dp"
+        android:layout_marginRight="10dp"
+        android:layout_marginBottom="10dp"
+        android:text="按下录音" />
+
+    <com.yeyupiaoling.androidclient.AudioView
+        android:id="@+id/audioView"
+        android:layout_width="match_parent"
+        android:layout_height="100dp"
+        android:layout_above="@id/record_button"
+        android:layout_marginStart="10dp"
+        android:visibility="gone" />
+
+    <TextView
+        android:id="@+id/result_text"
+        android:layout_above="@id/record_button"
+        android:layout_width="match_parent"
+        android:hint="显示识别结果"
+        android:textSize="22sp"
+        android:layout_height="match_parent"/>
+
+</RelativeLayout>

runtime/android/AndroidClient/app/src/main/res/layout/dialog_input_hotwords.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <EditText
+        android:id="@+id/hotwords_edit_text"
+        android:layout_width="match_parent"
+        android:layout_height="200dp"
+        android:layout_margin="10dp"
+        android:inputType="textMultiLine"
+        android:background="@drawable/edittext_border"
+        android:minLines="3"
+        android:gravity="top"
+        android:hint="每一行为:热词 权重" />
+
+</LinearLayout>

runtime/android/AndroidClient/app/src/main/res/layout/dialog_input_uri.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <EditText
+        android:id="@+id/uri_edit_text"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="10dp"
+        android:background="@drawable/edittext_border"
+        android:hint="wss://" />
+
+</LinearLayout>

runtime/android/AndroidClient/app/src/main/res/menu/menu.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/change_uri"
+        android:title="服务地址" />
+    <item
+        android:id="@+id/change_hotwords"
+        android:title="热词" />
+</menu>

runtime/android/AndroidClient/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

runtime/android/AndroidClient/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

runtime/android/AndroidClient/app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

runtime/android/AndroidClient/app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">FunASR</string>
+</resources>

runtime/android/AndroidClient/app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.AndroidClient" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

runtime/android/AndroidClient/app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

runtime/android/AndroidClient/app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!--
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

runtime/android/AndroidClient/app/src/test/java/com/yeyupiaoling/androidclient/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.yeyupiaoling.androidclient
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

runtime/android/AndroidClient/build.gradle

@@ -0,0 +1,5 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+id 'com.android.application' version '8.1.2' apply false
+    id 'org.jetbrains.kotlin.android' version '1.8.10' apply false
+}

runtime/android/AndroidClient/gradle.properties

@@ -0,0 +1,23 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true

runtime/android/AndroidClient/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Fri Oct 13 14:55:29 CST 2023
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

runtime/android/AndroidClient/gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

runtime/android/AndroidClient/gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

runtime/android/AndroidClient/settings.gradle

@@ -0,0 +1,17 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "AndroidClient"
+include ':app'

runtime/android/readme.md

@@ -0,0 +1,20 @@
+# AndroidClient
+
+先说明，本项目是使用WebSocket连接服务器的语音识别服务，并不是将FunASR部署到Android里，服务启动方式请查看文档[SDK_advanced_guide_online_zh.md](https://github.com/modelscope/FunASR/blob/main/funasr/runtime/docs/SDK_advanced_guide_online_zh.md)。
+
+使用最新的 Android Studio 打开`AndroidClient`项目，运行即可。也可以直接下载[APK安装包](https://yeyupiaoling.cn/AndroidClient.apk)安装使用，或者使用手机扫码下载。
+
+<div align="center">
+  <img src="./images/QRcode.png" alt="APK安装包" width="300">
+</div>
+
+
+应用只有一个功能，按钮下开始识别，松开按钮结束识别。第一次打开应用需要设置WebSocket的地址，也可以在菜单栏修改，同时也可以在菜单栏修改热词。
+
+应用效果图：
+
+<div align="center">
+  <img src="./images/image1.png" alt="应用效果图" width="300">
+  <img src="./images/image2.png" alt="应用效果图" width="300">
+  <img src="./images/image3.png" alt="应用效果图" width="300">
+</div>

runtime/csharp/AliFsmnVad/AliFsmnVadSharp.Examples/AliFsmnVadSharp.Examples.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="CommandLineParser" Version="2.9.1" />
+    <PackageReference Include="NAudio" Version="2.1.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AliFsmnVadSharp\AliFsmnVadSharp.csproj" />
+  </ItemGroup>
+
+</Project>

runtime/csharp/AliFsmnVad/AliFsmnVadSharp.Examples/Program.cs

@@ -0,0 +1,107 @@
+using AliFsmnVadSharp;
+using AliFsmnVadSharp.Model;
+using CommandLine;
+using NAudio.Wave;
+
+internal static class Program
+{
+    public class ProgramParams
+    {
+        [Option('i', "input", Required = true, HelpText = "Input wav file/folder path.")]
+        public string WavFilePath { get; set; }
+
+        [Option('m', "model", Default = "speech_fsmn_vad_zh-cn-16k-common-onnx", HelpText = "Model path.")]
+        public string Model { get; set; }
+    }
+
+    [STAThread]
+	private static void Main(string[] args)
+	{
+        var argParams = Parser.Default.ParseArguments<ProgramParams>(args).Value;
+
+        string modelPath = argParams.Model;
+        if (!Directory.Exists(argParams.Model))
+        {
+            modelPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, modelPath);
+            if (!Directory.Exists(modelPath))
+            {
+                throw new DirectoryNotFoundException($"Model not found: {argParams.Model}");
+            }
+        }
+
+        string modelFilePath = Path.Combine(modelPath, "model_quant.onnx");
+        string configFilePath = Path.Combine(modelPath, "config.yaml");
+        string mvnFilePath = Path.Combine(modelPath, "am.mvn");
+
+        int batchSize = 1;
+        AliFsmnVad aliFsmnVad = new AliFsmnVad(modelFilePath, configFilePath, mvnFilePath, batchSize);
+
+        List<string> wavFiles = new List<string>();
+
+        if (File.Exists(argParams.WavFilePath))
+        {
+            wavFiles.Add(argParams.WavFilePath);
+        }
+        else if (Directory.Exists(argParams.WavFilePath))
+        {
+            foreach (var wavFilePath in Directory.GetFiles(argParams.WavFilePath, "*.wav"))
+            {
+                wavFiles.Add(wavFilePath);
+            }
+        }
+        else
+        {
+            throw new Exception($"Invalid wav input path. {argParams.WavFilePath}");
+        }
+
+        var start_time = DateTime.Now;
+
+        TimeSpan total_duration = new TimeSpan(0L);
+        for (int i = 0; i < wavFiles.Count; i += batchSize)
+        {
+            List<float[]> samples = new List<float[]>();
+            
+            foreach(var wavFile in wavFiles.Skip(i).Take(batchSize))
+            {
+                (var sample, var duration) = LoadWavFile(wavFile);
+                samples.Add(sample);
+                total_duration += duration;
+            }
+
+            SegmentEntity[] segments_duration = aliFsmnVad.GetSegments(samples);
+            Console.WriteLine("vad infer result:");
+            foreach (SegmentEntity segment in segments_duration)
+            {
+                Console.Write("[");
+                foreach (var x in segment.Segment)
+                {
+                    Console.Write("[" + string.Join(",", x.ToArray()) + "]");
+                }
+                Console.Write("]\r\n");
+            }
+        }
+
+        var end_time = DateTime.Now;
+
+		double elapsed_milliseconds = (end_time - start_time).TotalMilliseconds;
+
+		double rtf = elapsed_milliseconds / total_duration.TotalMilliseconds;
+		Console.WriteLine("elapsed_milliseconds:{0}", elapsed_milliseconds.ToString());
+		Console.WriteLine("total_duration:{0}", total_duration.TotalMilliseconds.ToString());
+		Console.WriteLine("rtf:{1}", "0".ToString(), rtf.ToString());
+		Console.WriteLine("------------------------");
+	}
+
+    private static (float[] sample, TimeSpan duration) LoadWavFile(string wavFilePath)
+    {
+        AudioFileReader _audioFileReader = new AudioFileReader(wavFilePath);
+        byte[] datas = new byte[_audioFileReader.Length];
+        _audioFileReader.Read(datas, 0, datas.Length);
+        var duration = _audioFileReader.TotalTime;
+        float[] wavdata = new float[datas.Length / 4];
+        Buffer.BlockCopy(datas, 0, wavdata, 0, datas.Length);
+        var sample = wavdata.Select((float x) => x * 32768f).ToArray();
+
+        return (sample, duration);
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp.sln

@@ -0,0 +1,37 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.1.32210.238
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AliFsmnVadSharp", "AliFsmnVadSharp\AliFsmnVadSharp.csproj", "{BFB82F2E-AD5B-405C-AAFF-3CE33C548748}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AliFsmnVadSharp.Examples", "AliFsmnVadSharp.Examples\AliFsmnVadSharp.Examples.csproj", "{2FFA4D03-A62B-435B-B57B-7E49209810E1}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{212561CC-9836-4F45-A31B-298EF576F519}"
+	ProjectSection(SolutionItems) = preProject
+		license = license
+		README.md = README.md
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BFB82F2E-AD5B-405C-AAFF-3CE33C548748}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BFB82F2E-AD5B-405C-AAFF-3CE33C548748}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BFB82F2E-AD5B-405C-AAFF-3CE33C548748}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BFB82F2E-AD5B-405C-AAFF-3CE33C548748}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2FFA4D03-A62B-435B-B57B-7E49209810E1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2FFA4D03-A62B-435B-B57B-7E49209810E1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2FFA4D03-A62B-435B-B57B-7E49209810E1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2FFA4D03-A62B-435B-B57B-7E49209810E1}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {FCC1BBCC-91A3-4223-B368-D272FB5108B6}
+	EndGlobalSection
+EndGlobal

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/AliFsmnVad.cs

@@ -0,0 +1,410 @@
+using AliFsmnVadSharp.Model;
+using AliFsmnVadSharp.Utils;
+using Microsoft.Extensions.Logging;
+using Microsoft.ML.OnnxRuntime;
+using Microsoft.ML.OnnxRuntime.Tensors;
+
+// 模型文件下载地址：https://modelscope.cn/models/iic/speech_fsmn_vad_zh-cn-16k-common-onnx/
+
+namespace AliFsmnVadSharp
+{
+    public class AliFsmnVad : IDisposable
+    {
+        private bool _disposed;
+        private InferenceSession _onnxSession;
+        private readonly ILogger _logger;
+        private string _frontend;
+        private WavFrontend _wavFrontend;
+        private int _batchSize = 1;
+        private int _max_end_sil = int.MinValue;
+        private EncoderConfEntity _encoderConfEntity;
+        private VadPostConfEntity _vad_post_conf;
+
+        public AliFsmnVad(string modelFilePath, string configFilePath, string mvnFilePath, int batchSize = 1)
+        {
+            SessionOptions options = new SessionOptions();
+            options.AppendExecutionProvider_CPU(0);
+            options.InterOpNumThreads = 1;
+            _onnxSession = new InferenceSession(modelFilePath, options);
+
+            VadYamlEntity vadYamlEntity = YamlHelper.ReadYaml<VadYamlEntity>(configFilePath);
+            _wavFrontend = new WavFrontend(mvnFilePath, vadYamlEntity.frontend_conf);
+            _frontend = vadYamlEntity.frontend;
+            _vad_post_conf = vadYamlEntity.model_conf;
+            _batchSize = batchSize;
+            _max_end_sil = _max_end_sil != int.MinValue ? _max_end_sil : vadYamlEntity.model_conf.max_end_silence_time;
+            _encoderConfEntity = vadYamlEntity.encoder_conf;
+
+            ILoggerFactory loggerFactory = new LoggerFactory();
+            _logger = new Logger<AliFsmnVad>(loggerFactory);
+        }
+
+        public SegmentEntity[] GetSegments(List<float[]> samples)
+        {
+            int waveform_nums = samples.Count;
+            _batchSize = Math.Min(waveform_nums, _batchSize);
+            SegmentEntity[] segments = new SegmentEntity[waveform_nums];
+            for (int beg_idx = 0; beg_idx < waveform_nums; beg_idx += _batchSize)
+            {
+                int end_idx = Math.Min(waveform_nums, beg_idx + _batchSize);
+                List<float[]> waveform_list = new List<float[]>();
+                for (int i = beg_idx; i < end_idx; i++)
+                {
+                    waveform_list.Add(samples[i]);
+                }
+                List<VadInputEntity> vadInputEntitys = ExtractFeats(waveform_list);
+                try
+                {
+                    int t_offset = 0;
+                    int step = Math.Min(waveform_list.Max(x => x.Length), 6000);
+                    bool is_final = true;
+                    List<VadOutputEntity> vadOutputEntitys = Infer(vadInputEntitys);
+                    for (int batch_num = beg_idx; batch_num < end_idx; batch_num++)
+                    {
+                        var scores = vadOutputEntitys[batch_num - beg_idx].Scores;
+                        SegmentEntity[] segments_part = vadInputEntitys[batch_num].VadScorer.DefaultCall(scores, waveform_list[batch_num - beg_idx], is_final: is_final, max_end_sil: _max_end_sil, online: false);
+                        if (segments_part.Length > 0)
+                        {
+#pragma warning disable CS8602 // 解引用可能出现空引用。
+                            if (segments[batch_num] == null)
+                            {
+                                segments[batch_num] = new SegmentEntity();
+                            }
+                            segments[batch_num].Segment.AddRange(segments_part[0].Segment); //
+#pragma warning restore CS8602 // 解引用可能出现空引用。
+
+                        }
+                    }
+                }
+                catch (OnnxRuntimeException ex)
+                {
+                    _logger.LogWarning("input wav is silence or noise");
+                    segments = null;
+                }
+//                for (int batch_num = 0; batch_num < _batchSize; batch_num++)
+//                {
+//                    List<float[]> segment_waveforms = new List<float[]>();
+//                    foreach (int[] segment in segments[beg_idx + batch_num].Segment)
+//                    {
+//                        // (int)(16000 * (segment[0] / 1000.0) * 2);
+//                        int frame_length = (((6000 * 400) / 400 - 1) * 160 + 400) / 60 / 1000;
+//                        int frame_start = segment[0] * frame_length;
+//                        int frame_end = segment[1] * frame_length;
+//                        float[] segment_waveform = new float[frame_end - frame_start];
+//                        Array.Copy(waveform_list[batch_num], frame_start, segment_waveform, 0, segment_waveform.Length);
+//                        segment_waveforms.Add(segment_waveform);
+//                    }
+//                    segments[beg_idx + batch_num].Waveform.AddRange(segment_waveforms);
+//                }
+            }
+
+            return segments;
+        }
+
+        public SegmentEntity[] GetSegmentsByStep(List<float[]> samples)
+        {
+            int waveform_nums = samples.Count;
+            _batchSize=Math.Min(waveform_nums, _batchSize);
+            SegmentEntity[] segments = new SegmentEntity[waveform_nums];
+            for (int beg_idx = 0; beg_idx < waveform_nums; beg_idx += _batchSize)
+            {
+                int end_idx = Math.Min(waveform_nums, beg_idx + _batchSize);
+                List<float[]> waveform_list = new List<float[]>();
+                for (int i = beg_idx; i < end_idx; i++)
+                {
+                    waveform_list.Add(samples[i]);
+                }
+                List<VadInputEntity> vadInputEntitys = ExtractFeats(waveform_list);
+                int feats_len = vadInputEntitys.Max(x => x.SpeechLength);
+                List<float[]> in_cache = new List<float[]>();
+                in_cache = PrepareCache(in_cache);
+                try
+                {
+                    int step = Math.Min(vadInputEntitys.Max(x => x.SpeechLength), 6000 * 400);
+                    bool is_final = true;
+                    for (int t_offset = 0; t_offset < (int)(feats_len); t_offset += Math.Min(step, feats_len - t_offset))
+                    {
+
+                        if (t_offset + step >= feats_len - 1)
+                        {
+                            step = feats_len - t_offset;
+                            is_final = true;
+                        }
+                        else
+                        {
+                            is_final = false;
+                        }
+                        List<VadInputEntity> vadInputEntitys_step = new List<VadInputEntity>();
+                        foreach (VadInputEntity vadInputEntity in vadInputEntitys)
+                        {
+                            VadInputEntity vadInputEntity_step = new VadInputEntity();
+                            float[]? feats = vadInputEntity.Speech;
+                            int curr_step = Math.Min(feats.Length - t_offset, step);
+                            if (curr_step <= 0)
+                            {
+                                vadInputEntity_step.Speech = new float[32000];
+                                vadInputEntity_step.SpeechLength = 0;
+                                vadInputEntity_step.InCaches = in_cache;
+                                vadInputEntity_step.Waveform = new float[(((int)(32000) / 400 - 1) * 160 + 400)];
+                                vadInputEntitys_step.Add(vadInputEntity_step);
+                                continue;
+                            }
+                            float[]? feats_step = new float[curr_step];
+                            Array.Copy(feats, t_offset, feats_step, 0, feats_step.Length);
+                            float[]? waveform = vadInputEntity.Waveform;
+                            float[]? waveform_step = new float[Math.Min(waveform.Length, ((int)(t_offset + step) / 400 - 1) * 160 + 400) - t_offset / 400 * 160];
+                            Array.Copy(waveform, t_offset / 400 * 160, waveform_step, 0, waveform_step.Length);
+                            vadInputEntity_step.Speech = feats_step;
+                            vadInputEntity_step.SpeechLength = feats_step.Length;
+                            vadInputEntity_step.InCaches = vadInputEntity.InCaches;
+                            vadInputEntity_step.Waveform = waveform_step;
+                            vadInputEntitys_step.Add(vadInputEntity_step);
+                        }
+                        List<VadOutputEntity> vadOutputEntitys = Infer(vadInputEntitys_step);
+                        for (int batch_num = 0; batch_num < _batchSize; batch_num++)
+                        {
+                            vadInputEntitys[batch_num].InCaches = vadOutputEntitys[batch_num].OutCaches;
+                            var scores = vadOutputEntitys[batch_num].Scores;
+                            SegmentEntity[] segments_part = vadInputEntitys[batch_num].VadScorer.DefaultCall(scores, vadInputEntitys_step[batch_num].Waveform, is_final: is_final, max_end_sil: _max_end_sil, online: false);
+                            if (segments_part.Length > 0)
+                            {
+
+#pragma warning disable CS8602 // 解引用可能出现空引用。
+                                if (segments[beg_idx + batch_num] == null)
+                                {
+                                    segments[beg_idx + batch_num] = new SegmentEntity();
+                                }
+                                if (segments_part[0] != null)
+                                {
+                                    segments[beg_idx + batch_num].Segment.AddRange(segments_part[0].Segment);
+                                }
+#pragma warning restore CS8602 // 解引用可能出现空引用。
+
+                            }
+                        }
+                    }
+                }
+                catch (OnnxRuntimeException ex)
+                {
+                    _logger.LogWarning("input wav is silence or noise");
+                    segments = null;
+                }
+//                for (int batch_num = 0; batch_num < _batchSize; batch_num++)
+//                {
+//                    List<float[]> segment_waveforms=new List<float[]>();
+//                    foreach (int[] segment in segments[beg_idx + batch_num].Segment)
+//                    {
+//                        // (int)(16000 * (segment[0] / 1000.0) * 2);
+//                        int frame_length = (((6000 * 400) / 400 - 1) * 160 + 400) / 60 / 1000;
+//                        int frame_start = segment[0] * frame_length;
+//                        int frame_end = segment[1] * frame_length;
+//                        if(frame_end > waveform_list[batch_num].Length)
+//                        {
+//                            break;
+//                        }
+//                        float[] segment_waveform = new float[frame_end - frame_start];
+//                        Array.Copy(waveform_list[batch_num], frame_start, segment_waveform, 0, segment_waveform.Length);
+//                        segment_waveforms.Add(segment_waveform);
+//                    }
+//                    segments[beg_idx + batch_num].Waveform.AddRange(segment_waveforms);
+//                }
+
+            }
+            return segments;
+        }
+
+        private List<float[]> PrepareCache(List<float[]> in_cache)
+        {
+            if (in_cache.Count > 0)
+            {
+                return in_cache;
+            }
+
+            int fsmn_layers = _encoderConfEntity.fsmn_layers;
+
+            int proj_dim = _encoderConfEntity.proj_dim;
+            int lorder = _encoderConfEntity.lorder;
+
+            for (int i = 0; i < fsmn_layers; i++)
+            {
+                float[] cache = new float[1 * proj_dim * (lorder - 1) * 1];
+                in_cache.Add(cache);
+            }
+            return in_cache;
+        }
+
+        private List<VadInputEntity> ExtractFeats(List<float[]> waveform_list)
+        {
+            List<float[]> in_cache = new List<float[]>();
+            in_cache = PrepareCache(in_cache);
+            List<VadInputEntity> vadInputEntitys = new List<VadInputEntity>();
+            foreach (var waveform in waveform_list)
+            {
+                float[] fbanks = _wavFrontend.GetFbank(waveform);
+                float[] features = _wavFrontend.LfrCmvn(fbanks);
+                VadInputEntity vadInputEntity = new VadInputEntity();
+                vadInputEntity.Waveform = waveform;
+                vadInputEntity.Speech = features;
+                vadInputEntity.SpeechLength = features.Length;
+                vadInputEntity.InCaches = in_cache;
+                vadInputEntity.VadScorer = new E2EVadModel(_vad_post_conf);
+                vadInputEntitys.Add(vadInputEntity);
+            }
+            return vadInputEntitys;
+        }
+        /// <summary>
+        /// 一维数组转3维数组
+        /// </summary>
+        /// <param name="obj"></param>
+        /// <param name="len">一维长</param>
+        /// <param name="wid">二维长</param>
+        /// <returns></returns>
+        public static T[,,] DimOneToThree<T>(T[] oneDimObj, int len, int wid)
+        {
+            if (oneDimObj.Length % (len * wid) != 0)
+                return null;
+            int height = oneDimObj.Length / (len * wid);
+            T[,,] threeDimObj = new T[len, wid, height];
+
+            for (int i = 0; i < oneDimObj.Length; i++)
+            {
+                threeDimObj[i / (wid * height), (i / height) % wid, i % height] = oneDimObj[i];
+            }
+            return threeDimObj;
+        }
+
+        private List<VadOutputEntity> Infer(List<VadInputEntity> vadInputEntitys)
+        {
+            List<VadOutputEntity> vadOutputEntities = new List<VadOutputEntity>();
+            foreach (VadInputEntity vadInputEntity in vadInputEntitys)
+            {
+                int batchSize = 1;//_batchSize                
+                var inputMeta = _onnxSession.InputMetadata;
+                var container = new List<NamedOnnxValue>();
+                int[] dim = new int[] { batchSize, vadInputEntity.Speech.Length / 400 / batchSize, 400 };
+                var tensor = new DenseTensor<float>(vadInputEntity.Speech, dim, false);
+                container.Add(NamedOnnxValue.CreateFromTensor<float>("speech", tensor));
+
+                int i = 0;
+                foreach (var cache in vadInputEntity.InCaches)
+                {
+                    int[] cache_dim = new int[] { 1, 128, cache.Length / 128 / 1, 1 };
+                    var cache_tensor = new DenseTensor<float>(cache, cache_dim, false);
+                    container.Add(NamedOnnxValue.CreateFromTensor<float>("in_cache" + i.ToString(), cache_tensor));
+                    i++;
+                }
+
+                IDisposableReadOnlyCollection<DisposableNamedOnnxValue> results = _onnxSession.Run(container);
+                var resultsArray = results.ToArray();
+                VadOutputEntity vadOutputEntity = new VadOutputEntity();
+                for (int j = 0; j < resultsArray.Length; j++)
+                {
+                    if (resultsArray[j].Name.Equals("logits"))
+                    {
+                        Tensor<float> tensors = resultsArray[0].AsTensor<float>();
+                        var _scores = DimOneToThree<float>(tensors.ToArray(), 1, tensors.Dimensions[1]);
+                        vadOutputEntity.Scores = _scores;
+                    }
+                    if (resultsArray[j].Name.StartsWith("out_cache"))
+                    {
+                        vadOutputEntity.OutCaches.Add(resultsArray[j].AsEnumerable<float>().ToArray());
+                    }
+
+                }
+                vadOutputEntities.Add(vadOutputEntity);
+            }
+
+            return vadOutputEntities;
+        }
+
+        private float[] PadSequence(List<VadInputEntity> modelInputs)
+        {
+            int max_speech_length = modelInputs.Max(x => x.SpeechLength);
+            int speech_length = max_speech_length * modelInputs.Count;
+            float[] speech = new float[speech_length];
+            float[,] xxx = new float[modelInputs.Count, max_speech_length];
+            for (int i = 0; i < modelInputs.Count; i++)
+            {
+                if (max_speech_length == modelInputs[i].SpeechLength)
+                {
+                    for (int j = 0; j < xxx.GetLength(1); j++)
+                    {
+#pragma warning disable CS8602 // 解引用可能出现空引用。
+                        xxx[i, j] = modelInputs[i].Speech[j];
+#pragma warning restore CS8602 // 解引用可能出现空引用。
+                    }
+                    continue;
+                }
+                float[] nullspeech = new float[max_speech_length - modelInputs[i].SpeechLength];
+                float[]? curr_speech = modelInputs[i].Speech;
+                float[] padspeech = new float[max_speech_length];
+                // ///////////////////////////////////////////////////
+                var arr_neg_mean = _onnxSession.ModelMetadata.CustomMetadataMap["neg_mean"].ToString().Split(',').ToArray();
+                double[] neg_mean = arr_neg_mean.Select(x => (double)Convert.ToDouble(x)).ToArray();
+                var arr_inv_stddev = _onnxSession.ModelMetadata.CustomMetadataMap["inv_stddev"].ToString().Split(',').ToArray();
+                double[] inv_stddev = arr_inv_stddev.Select(x => (double)Convert.ToDouble(x)).ToArray();
+
+                int dim = neg_mean.Length;
+                for (int j = 0; j < max_speech_length; j++)
+                {
+                    int k = new Random().Next(0, dim);
+                    padspeech[j] = (float)((float)(0 + neg_mean[k]) * inv_stddev[k]);
+                }
+                Array.Copy(curr_speech, 0, padspeech, 0, curr_speech.Length);
+                for (int j = 0; j < padspeech.Length; j++)
+                {
+#pragma warning disable CS8602 // 解引用可能出现空引用。
+                    xxx[i, j] = padspeech[j];
+#pragma warning restore CS8602 // 解引用可能出现空引用。
+                }
+
+            }
+            int s = 0;
+            for (int i = 0; i < xxx.GetLength(0); i++)
+            {
+                for (int j = 0; j < xxx.GetLength(1); j++)
+                {
+                    speech[s] = xxx[i, j];
+                    s++;
+                }
+            }
+            return speech;
+        }
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!_disposed)
+            {
+                if (disposing)
+                {
+                    if (_onnxSession != null)
+                    {
+                        _onnxSession.Dispose();
+                    }
+                    if (_wavFrontend != null)
+                    {
+                        _wavFrontend.Dispose();
+                    }
+                    if (_encoderConfEntity != null)
+                    {
+                        _encoderConfEntity = null;
+                    }
+                    if (_vad_post_conf != null)
+                    {
+                        _vad_post_conf = null;
+                    }
+                }
+                _disposed = true;
+            }
+        }
+
+        public void Dispose()
+        {
+            Dispose(disposing: true);
+            GC.SuppressFinalize(this);
+        }
+        ~AliFsmnVad()
+        {
+            Dispose(_disposed);
+        }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/AliFsmnVadSharp.csproj

@@ -0,0 +1,34 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="KaldiNativeFbankSharp" Version="1.1.2" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
+    <PackageReference Include="Microsoft.ML.OnnxRuntime" Version="1.15.0" />
+    <PackageReference Include="YamlDotNet" Version="13.1.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="speech_fsmn_vad_zh-cn-16k-common-pytorch\example\0.wav">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="speech_fsmn_vad_zh-cn-16k-common-pytorch\example\1.wav">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="speech_fsmn_vad_zh-cn-16k-common-pytorch\model.onnx">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="speech_fsmn_vad_zh-cn-16k-common-pytorch\vad.mvn">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="speech_fsmn_vad_zh-cn-16k-common-pytorch\vad.yaml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/E2EVadModel.cs

@@ -0,0 +1,724 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using AliFsmnVadSharp.Model;
+
+namespace AliFsmnVadSharp
+{
+    enum VadStateMachine
+    {
+        kVadInStateStartPointNotDetected = 1,
+        kVadInStateInSpeechSegment = 2,
+        kVadInStateEndPointDetected = 3,
+    }
+    enum VadDetectMode
+    {
+        kVadSingleUtteranceDetectMode = 0,
+        kVadMutipleUtteranceDetectMode = 1,
+    }
+
+
+    internal class E2EVadModel
+    {
+        private VadPostConfEntity _vad_opts = new VadPostConfEntity();
+        private WindowDetector _windows_detector = new WindowDetector();
+        private bool _is_final = false;
+        private int _data_buf_start_frame = 0;
+        private int _frm_cnt = 0;
+        private int _latest_confirmed_speech_frame = 0;
+        private int _lastest_confirmed_silence_frame = -1;
+        private int _continous_silence_frame_count = 0;
+        private int _vad_state_machine = (int)VadStateMachine.kVadInStateStartPointNotDetected;
+        private int _confirmed_start_frame = -1;
+        private int _confirmed_end_frame = -1;
+        private int _number_end_time_detected = 0;
+        private int _sil_frame = 0;
+        private int[] _sil_pdf_ids = new int[0];
+        private double _noise_average_decibel = -100.0D;
+        private bool _pre_end_silence_detected = false;
+        private bool _next_seg = true;
+
+        private List<E2EVadSpeechBufWithDoaEntity> _output_data_buf;
+        private int _output_data_buf_offset = 0;
+        private List<E2EVadFrameProbEntity> _frame_probs = new List<E2EVadFrameProbEntity>();
+        private int _max_end_sil_frame_cnt_thresh = 800 - 150;
+        private float _speech_noise_thres = 0.6F;
+        private float[,,] _scores = null;
+        private int _idx_pre_chunk = 0;
+        private bool _max_time_out = false;
+        private List<double> _decibel = new List<double>();
+        private int _data_buf_size = 0;
+        private int _data_buf_all_size = 0;
+
+        public E2EVadModel(VadPostConfEntity vadPostConfEntity)
+        {
+            _vad_opts = vadPostConfEntity;
+            _windows_detector = new WindowDetector(_vad_opts.window_size_ms,
+                                                   _vad_opts.sil_to_speech_time_thres,
+                                                   _vad_opts.speech_to_sil_time_thres,
+                                                   _vad_opts.frame_in_ms);
+            AllResetDetection();
+        }
+
+        private void AllResetDetection()
+        {
+            _is_final = false;
+            _data_buf_start_frame = 0;
+            _frm_cnt = 0;
+            _latest_confirmed_speech_frame = 0;
+            _lastest_confirmed_silence_frame = -1;
+            _continous_silence_frame_count = 0;
+            _vad_state_machine = (int)VadStateMachine.kVadInStateStartPointNotDetected;
+            _confirmed_start_frame = -1;
+            _confirmed_end_frame = -1;
+            _number_end_time_detected = 0;
+            _sil_frame = 0;
+            _sil_pdf_ids = _vad_opts.sil_pdf_ids;
+            _noise_average_decibel = -100.0F;
+            _pre_end_silence_detected = false;
+            _next_seg = true;
+
+            _output_data_buf = new List<E2EVadSpeechBufWithDoaEntity>();
+            _output_data_buf_offset = 0;
+            _frame_probs = new List<E2EVadFrameProbEntity>();
+            _max_end_sil_frame_cnt_thresh = _vad_opts.max_end_silence_time - _vad_opts.speech_to_sil_time_thres;
+            _speech_noise_thres = _vad_opts.speech_noise_thres;
+            _scores = null;
+            _idx_pre_chunk = 0;
+            _max_time_out = false;
+            _decibel = new List<double>();
+            _data_buf_size = 0;
+            _data_buf_all_size = 0;
+            ResetDetection();
+        }
+
+        private void ResetDetection()
+        {
+            _continous_silence_frame_count = 0;
+            _latest_confirmed_speech_frame = 0;
+            _lastest_confirmed_silence_frame = -1;
+            _confirmed_start_frame = -1;
+            _confirmed_end_frame = -1;
+            _vad_state_machine = (int)VadStateMachine.kVadInStateStartPointNotDetected;
+            _windows_detector.Reset();
+            _sil_frame = 0;
+            _frame_probs = new List<E2EVadFrameProbEntity>();
+        }
+
+        private void ComputeDecibel(float[] waveform)
+        {
+            int frame_sample_length = (int)(_vad_opts.frame_length_ms * _vad_opts.sample_rate / 1000);
+            int frame_shift_length = (int)(_vad_opts.frame_in_ms * _vad_opts.sample_rate / 1000);
+            if (_data_buf_all_size == 0)
+            {
+                _data_buf_all_size = waveform.Length;
+                _data_buf_size = _data_buf_all_size;
+            }
+            else
+            {
+                _data_buf_all_size += waveform.Length;
+            }
+
+            for (int offset = 0; offset < waveform.Length - frame_sample_length + 1; offset += frame_shift_length)
+            {
+                float[] _waveform_chunk = new float[frame_sample_length];
+                Array.Copy(waveform, offset, _waveform_chunk, 0, _waveform_chunk.Length);
+                float[] _waveform_chunk_pow = _waveform_chunk.Select(x => (float)Math.Pow((double)x, 2)).ToArray();
+                _decibel.Add(
+                    10 * Math.Log10(
+                        _waveform_chunk_pow.Sum() + 0.000001
+                        )
+                    );
+            }
+
+        }
+
+        private void ComputeScores(float[,,] scores)
+        {
+            _vad_opts.nn_eval_block_size = scores.GetLength(1);
+            _frm_cnt += scores.GetLength(1);
+            _scores = scores;
+        }
+
+        private void PopDataBufTillFrame(int frame_idx)// need check again
+        {
+            while (_data_buf_start_frame < frame_idx)
+            {
+                if (_data_buf_size >= (int)(_vad_opts.frame_in_ms * _vad_opts.sample_rate / 1000))
+                {
+                    _data_buf_start_frame += 1;
+                    _data_buf_size = _data_buf_all_size - _data_buf_start_frame * (int)(_vad_opts.frame_in_ms * _vad_opts.sample_rate / 1000);
+                }
+            }
+        }
+
+        private void PopDataToOutputBuf(int start_frm, int frm_cnt, bool first_frm_is_start_point,
+                       bool last_frm_is_end_point, bool end_point_is_sent_end)
+        {
+            PopDataBufTillFrame(start_frm);
+            int expected_sample_number = (int)(frm_cnt * _vad_opts.sample_rate * _vad_opts.frame_in_ms / 1000);
+            if (last_frm_is_end_point)
+            {
+                int extra_sample = Math.Max(0, (int)(_vad_opts.frame_length_ms * _vad_opts.sample_rate / 1000 - _vad_opts.sample_rate * _vad_opts.frame_in_ms / 1000));
+                expected_sample_number += (int)(extra_sample);
+            }
+
+            if (end_point_is_sent_end)
+            {
+                expected_sample_number = Math.Max(expected_sample_number, _data_buf_size);
+            }
+            if (_data_buf_size < expected_sample_number)
+            {
+                Console.WriteLine("error in calling pop data_buf\n");
+            }
+
+            if (_output_data_buf.Count == 0 || first_frm_is_start_point)
+            {
+                _output_data_buf.Add(new E2EVadSpeechBufWithDoaEntity());
+                _output_data_buf.Last().Reset();
+                _output_data_buf.Last().start_ms = start_frm * _vad_opts.frame_in_ms;
+                _output_data_buf.Last().end_ms = _output_data_buf.Last().start_ms;
+                _output_data_buf.Last().doa = 0;
+            }
+
+            E2EVadSpeechBufWithDoaEntity cur_seg = _output_data_buf.Last();
+            if (cur_seg.end_ms != start_frm * _vad_opts.frame_in_ms)
+            {
+                Console.WriteLine("warning\n");
+            }
+
+            int out_pos = cur_seg.buffer.Length;  // cur_seg.buff现在没做任何操作
+            int data_to_pop = 0;
+            if (end_point_is_sent_end)
+            {
+                data_to_pop = expected_sample_number;
+            }
+            else
+            {
+                data_to_pop = (int)(frm_cnt * _vad_opts.frame_in_ms * _vad_opts.sample_rate / 1000);
+            }
+            if (data_to_pop > _data_buf_size)
+            {
+                Console.WriteLine("VAD data_to_pop is bigger than _data_buf_size!!!\n");
+                data_to_pop = _data_buf_size;
+                expected_sample_number = _data_buf_size;
+            }
+
+
+            cur_seg.doa = 0;
+            for (int sample_cpy_out = 0; sample_cpy_out < data_to_pop; sample_cpy_out++)
+            {
+                out_pos += 1;
+            }
+            for (int sample_cpy_out = data_to_pop; sample_cpy_out < expected_sample_number; sample_cpy_out++)
+            {
+                out_pos += 1;
+            }
+
+            if (cur_seg.end_ms != start_frm * _vad_opts.frame_in_ms)
+            {
+                Console.WriteLine("Something wrong with the VAD algorithm\n");
+            }
+
+            _data_buf_start_frame += frm_cnt;
+            cur_seg.end_ms = (start_frm + frm_cnt) * _vad_opts.frame_in_ms;
+            if (first_frm_is_start_point)
+            {
+                cur_seg.contain_seg_start_point = true;
+            }
+
+            if (last_frm_is_end_point)
+            {
+                cur_seg.contain_seg_end_point = true;
+            }
+        }
+
+        private void OnSilenceDetected(int valid_frame)
+        {
+            _lastest_confirmed_silence_frame = valid_frame;
+            if (_vad_state_machine == (int)VadStateMachine.kVadInStateStartPointNotDetected)
+            {
+                PopDataBufTillFrame(valid_frame);
+            }
+
+        }
+
+        private void OnVoiceDetected(int valid_frame)
+        {
+            _latest_confirmed_speech_frame = valid_frame;
+            PopDataToOutputBuf(valid_frame, 1, false, false, false);
+        }
+
+        private void OnVoiceStart(int start_frame, bool fake_result = false)
+        {
+            if (_vad_opts.do_start_point_detection)
+            {
+                //do nothing
+            }
+            if (_confirmed_start_frame != -1)
+            {
+
+                Console.WriteLine("not reset vad properly\n");
+            }
+            else
+            {
+                _confirmed_start_frame = start_frame;
+            }
+            if (!fake_result || _vad_state_machine == (int)VadStateMachine.kVadInStateStartPointNotDetected)
+            {
+
+                PopDataToOutputBuf(_confirmed_start_frame, 1, true, false, false);
+            }
+        }
+
+        private void OnVoiceEnd(int end_frame, bool fake_result, bool is_last_frame)
+        {
+            for (int t = _latest_confirmed_speech_frame + 1; t < end_frame; t++)
+            {
+                OnVoiceDetected(t);
+            }
+            if (_vad_opts.do_end_point_detection)
+            {
+                //do nothing
+            }
+            if (_confirmed_end_frame != -1)
+            {
+                Console.WriteLine("not reset vad properly\n");
+            }
+            else
+            {
+                _confirmed_end_frame = end_frame;
+            }
+            if (!fake_result)
+            {
+                _sil_frame = 0;
+                PopDataToOutputBuf(_confirmed_end_frame, 1, false, true, is_last_frame);
+            }
+            _number_end_time_detected += 1;
+        }
+
+        private void MaybeOnVoiceEndIfLastFrame(bool is_final_frame, int cur_frm_idx)
+        {
+            if (is_final_frame)
+            {
+                OnVoiceEnd(cur_frm_idx, false, true);
+                _vad_state_machine = (int)VadStateMachine.kVadInStateEndPointDetected;
+            }
+        }
+
+        private int GetLatency()
+        {
+            return (int)(LatencyFrmNumAtStartPoint() * _vad_opts.frame_in_ms);
+        }
+
+        private int LatencyFrmNumAtStartPoint()
+        {
+            int vad_latency = _windows_detector.GetWinSize();
+            if (_vad_opts.do_extend != 0)
+            {
+                vad_latency += (int)(_vad_opts.lookback_time_start_point / _vad_opts.frame_in_ms);
+            }
+            return vad_latency;
+        }
+
+        private FrameState GetFrameState(int t)
+        {
+
+            FrameState frame_state = FrameState.kFrameStateInvalid;
+            double cur_decibel = _decibel[t];
+            double cur_snr = cur_decibel - _noise_average_decibel;
+            if (cur_decibel < _vad_opts.decibel_thres)
+            {
+                frame_state = FrameState.kFrameStateSil;
+                DetectOneFrame(frame_state, t, false);
+                return frame_state;
+            }
+
+
+            double sum_score = 0.0D;
+            double noise_prob = 0.0D;
+            Trace.Assert(_sil_pdf_ids.Length == _vad_opts.silence_pdf_num, "");
+            if (_sil_pdf_ids.Length > 0)
+            {
+                Trace.Assert(_scores.GetLength(0) == 1, "只支持batch_size = 1的测试");  // 只支持batch_size = 1的测试
+                float[] sil_pdf_scores = new float[_sil_pdf_ids.Length];
+                int j = 0;
+                foreach (int sil_pdf_id in _sil_pdf_ids)
+                {
+                    sil_pdf_scores[j] = _scores[0,t - _idx_pre_chunk,sil_pdf_id];
+                    j++;
+                }
+                sum_score = sil_pdf_scores.Length == 0 ? 0 : sil_pdf_scores.Sum();
+                noise_prob = Math.Log(sum_score) * _vad_opts.speech_2_noise_ratio;
+                double total_score = 1.0D;
+                sum_score = total_score - sum_score;
+            }
+            double speech_prob = Math.Log(sum_score);
+            if (_vad_opts.output_frame_probs)
+            {
+                E2EVadFrameProbEntity frame_prob = new E2EVadFrameProbEntity();
+                frame_prob.noise_prob = noise_prob;
+                frame_prob.speech_prob = speech_prob;
+                frame_prob.score = sum_score;
+                frame_prob.frame_id = t;
+                _frame_probs.Add(frame_prob);
+            }
+
+            if (Math.Exp(speech_prob) >= Math.Exp(noise_prob) + _speech_noise_thres)
+            {
+                if (cur_snr >= _vad_opts.snr_thres && cur_decibel >= _vad_opts.decibel_thres)
+                {
+                    frame_state = FrameState.kFrameStateSpeech;
+                }
+                else
+                {
+                    frame_state = FrameState.kFrameStateSil;
+                }
+            }
+            else
+            {
+                frame_state = FrameState.kFrameStateSil;
+                if (_noise_average_decibel < -99.9)
+                {
+                    _noise_average_decibel = cur_decibel;
+                }
+                else
+                {
+                    _noise_average_decibel = (cur_decibel + _noise_average_decibel * (_vad_opts.noise_frame_num_used_for_snr - 1)) / _vad_opts.noise_frame_num_used_for_snr;
+                }
+            }
+            return frame_state;
+        }
+
+        public SegmentEntity[] DefaultCall(float[,,] score, float[] waveform,
+            bool is_final = false, int max_end_sil = 800, bool online = false
+            )
+        {
+            _max_end_sil_frame_cnt_thresh = max_end_sil - _vad_opts.speech_to_sil_time_thres;
+            // compute decibel for each frame
+            ComputeDecibel(waveform);
+            ComputeScores(score);
+            if (!is_final)
+            {
+                DetectCommonFrames();
+            }
+            else
+            {
+                DetectLastFrames();
+            }
+            int batchSize = score.GetLength(0);
+            SegmentEntity[] segments = new SegmentEntity[batchSize];
+            for (int batch_num = 0; batch_num < batchSize; batch_num++) // only support batch_size = 1 now
+            {
+                List<int[]> segment_batch = new List<int[]>();
+                if (_output_data_buf.Count > 0)
+                {
+                    for (int i = _output_data_buf_offset; i < _output_data_buf.Count; i++)
+                    {
+                        int start_ms;
+                        int end_ms;
+                        if (online)
+                        {
+                            if (!_output_data_buf[i].contain_seg_start_point)
+                            {
+                                continue;
+                            }
+                            if (!_next_seg && !_output_data_buf[i].contain_seg_end_point)
+                            {
+                                continue;
+                            }
+                            start_ms = _next_seg ? _output_data_buf[i].start_ms : -1;
+                            if (_output_data_buf[i].contain_seg_end_point)
+                            {
+                                end_ms = _output_data_buf[i].end_ms;
+                                _next_seg = true;
+                                _output_data_buf_offset += 1;
+                            }
+                            else
+                            {
+                                end_ms = -1;
+                                _next_seg = false;
+                            }
+                        }
+                        else
+                        {
+                            if (!is_final && (!_output_data_buf[i].contain_seg_start_point || !_output_data_buf[i].contain_seg_end_point))
+                            {
+                                continue;
+                            }
+                            start_ms = _output_data_buf[i].start_ms;
+                            end_ms = _output_data_buf[i].end_ms;
+                            _output_data_buf_offset += 1;
+
+                        }
+                        int[] segment_ms = new int[] { start_ms, end_ms };
+                        segment_batch.Add(segment_ms);
+                        
+                    }
+
+                }
+
+                if (segment_batch.Count > 0)
+                {
+                    if (segments[batch_num] == null)
+                    {
+                        segments[batch_num] = new SegmentEntity();
+                    }
+                    segments[batch_num].Segment.AddRange(segment_batch);
+                }
+            }
+
+            if (is_final)
+            {
+                // reset class variables and clear the dict for the next query
+                AllResetDetection();
+            }
+
+            return segments;
+        }
+
+        private int DetectCommonFrames()
+        {
+            if (_vad_state_machine == (int)VadStateMachine.kVadInStateEndPointDetected)
+            {
+                return 0;
+            }
+            for (int i = _vad_opts.nn_eval_block_size - 1; i > -1; i += -1)
+            {
+                FrameState frame_state = FrameState.kFrameStateInvalid;
+                frame_state = GetFrameState(_frm_cnt - 1 - i);
+                DetectOneFrame(frame_state, _frm_cnt - 1 - i, false);
+            }
+
+            _idx_pre_chunk += _scores.GetLength(1)* _scores.GetLength(0); //_scores.shape[1];
+            return 0;
+        }
+
+        private int DetectLastFrames()
+        {
+            if (_vad_state_machine == (int)VadStateMachine.kVadInStateEndPointDetected)
+            {
+                return 0;
+            }
+            try
+            {
+                for (int i = _vad_opts.nn_eval_block_size - 1; i > -1; i += -1)
+                {
+                    FrameState frame_state = FrameState.kFrameStateInvalid;
+                    frame_state = GetFrameState(_frm_cnt - 1 - i);
+                    if (i != 0)
+                    {
+                        DetectOneFrame(frame_state, _frm_cnt - 1 - i, false);
+                    }
+                    else
+                    {
+                        DetectOneFrame(frame_state, _frm_cnt - 1, true);
+                    }
+
+
+                }
+            }
+            catch (Exception e)
+            {
+                //
+            }
+
+            return 0;
+        }
+
+        private void DetectOneFrame(FrameState cur_frm_state, int cur_frm_idx, bool is_final_frame)
+        {
+            FrameState tmp_cur_frm_state = FrameState.kFrameStateInvalid;
+            if (cur_frm_state == FrameState.kFrameStateSpeech)
+            {
+                if (Math.Abs(1.0) > _vad_opts.fe_prior_thres)//Fabs
+                {
+                    tmp_cur_frm_state = FrameState.kFrameStateSpeech;
+                }
+                else
+                {
+                    tmp_cur_frm_state = FrameState.kFrameStateSil;
+                }
+            }
+            else if (cur_frm_state == FrameState.kFrameStateSil)
+            {
+                tmp_cur_frm_state = FrameState.kFrameStateSil;
+            }
+
+            AudioChangeState state_change = _windows_detector.DetectOneFrame(tmp_cur_frm_state, cur_frm_idx);
+            int frm_shift_in_ms = _vad_opts.frame_in_ms;
+            if (AudioChangeState.kChangeStateSil2Speech == state_change)
+            {
+                int silence_frame_count = _continous_silence_frame_count; // no used
+                _continous_silence_frame_count = 0;
+                _pre_end_silence_detected = false;
+                int start_frame = 0;
+                if (_vad_state_machine == (int)VadStateMachine.kVadInStateStartPointNotDetected)
+                {
+                    start_frame = Math.Max(_data_buf_start_frame, cur_frm_idx - LatencyFrmNumAtStartPoint());
+                    OnVoiceStart(start_frame);
+                    _vad_state_machine = (int)VadStateMachine.kVadInStateInSpeechSegment;
+                    for (int t = start_frame + 1; t < cur_frm_idx + 1; t++)
+                    {
+                        OnVoiceDetected(t);
+                    }
+
+                }
+                else if (_vad_state_machine == (int)VadStateMachine.kVadInStateInSpeechSegment)
+                {
+                    for (int t = _latest_confirmed_speech_frame + 1; t < cur_frm_idx; t++)
+                    {
+                        OnVoiceDetected(t);
+                    }
+                    if (cur_frm_idx - _confirmed_start_frame + 1 > _vad_opts.max_single_segment_time / frm_shift_in_ms)
+                    {
+                        OnVoiceEnd(cur_frm_idx, false, false);
+                        _vad_state_machine = (int)VadStateMachine.kVadInStateEndPointDetected;
+                    }
+
+                    else if (!is_final_frame)
+                    {
+                        OnVoiceDetected(cur_frm_idx);
+                    }
+                    else
+                    {
+                        MaybeOnVoiceEndIfLastFrame(is_final_frame, cur_frm_idx);
+                    }
+
+                }
+                else
+                {
+                    return;
+                }
+            }
+            else if (AudioChangeState.kChangeStateSpeech2Sil == state_change)
+            {
+                _continous_silence_frame_count = 0;
+                if (_vad_state_machine == (int)VadStateMachine.kVadInStateStartPointNotDetected)
+                { return; }
+                else if (_vad_state_machine == (int)VadStateMachine.kVadInStateInSpeechSegment)
+                {
+                    if (cur_frm_idx - _confirmed_start_frame + 1 > _vad_opts.max_single_segment_time / frm_shift_in_ms)
+                    {
+                        OnVoiceEnd(cur_frm_idx, false, false);
+                        _vad_state_machine = (int)VadStateMachine.kVadInStateEndPointDetected;
+                    }
+                    else if (!is_final_frame)
+                    {
+                        OnVoiceDetected(cur_frm_idx);
+                    }
+                    else
+                    {
+                        MaybeOnVoiceEndIfLastFrame(is_final_frame, cur_frm_idx);
+                    }
+
+                }
+                else
+                {
+                    return;
+                }
+            }
+            else if (AudioChangeState.kChangeStateSpeech2Speech == state_change)
+            {
+                _continous_silence_frame_count = 0;
+                if (_vad_state_machine == (int)VadStateMachine.kVadInStateInSpeechSegment)
+                {
+                    if (cur_frm_idx - _confirmed_start_frame + 1 > _vad_opts.max_single_segment_time / frm_shift_in_ms)
+                    {
+                        _max_time_out = true;
+                        OnVoiceEnd(cur_frm_idx, false, false);
+                        _vad_state_machine = (int)VadStateMachine.kVadInStateEndPointDetected;
+                    }
+                    else if (!is_final_frame)
+                    {
+                        OnVoiceDetected(cur_frm_idx);
+                    }
+                    else
+                    {
+                        MaybeOnVoiceEndIfLastFrame(is_final_frame, cur_frm_idx);
+                    }
+                }
+                else
+                {
+                    return;
+                }
+
+            }
+            else if (AudioChangeState.kChangeStateSil2Sil == state_change)
+            {
+                _continous_silence_frame_count += 1;
+                if (_vad_state_machine == (int)VadStateMachine.kVadInStateStartPointNotDetected)
+                {
+                    // silence timeout, return zero length decision
+                    if (((_vad_opts.detect_mode == (int)VadDetectMode.kVadSingleUtteranceDetectMode) && (
+                            _continous_silence_frame_count * frm_shift_in_ms > _vad_opts.max_start_silence_time)) || (is_final_frame && _number_end_time_detected == 0))
+                    {
+                        for (int t = _lastest_confirmed_silence_frame + 1; t < cur_frm_idx; t++)
+                        {
+                            OnSilenceDetected(t);
+                        }
+                        OnVoiceStart(0, true);
+                        OnVoiceEnd(0, true, false);
+                        _vad_state_machine = (int)VadStateMachine.kVadInStateEndPointDetected;
+                    }
+                    else
+                    {
+                        if (cur_frm_idx >= LatencyFrmNumAtStartPoint())
+                        {
+                            OnSilenceDetected(cur_frm_idx - LatencyFrmNumAtStartPoint());
+                        }
+                    }
+                }
+                else if (_vad_state_machine == (int)VadStateMachine.kVadInStateInSpeechSegment)
+                {
+                    if (_continous_silence_frame_count * frm_shift_in_ms >= _max_end_sil_frame_cnt_thresh)
+                    {
+                        int lookback_frame = (int)(_max_end_sil_frame_cnt_thresh / frm_shift_in_ms);
+                        if (_vad_opts.do_extend != 0)
+                        {
+                            lookback_frame -= (int)(_vad_opts.lookahead_time_end_point / frm_shift_in_ms);
+                            lookback_frame -= 1;
+                            lookback_frame = Math.Max(0, lookback_frame);
+                        }
+
+                        OnVoiceEnd(cur_frm_idx - lookback_frame, false, false);
+                        _vad_state_machine = (int)VadStateMachine.kVadInStateEndPointDetected;
+                    }
+                    else if (cur_frm_idx - _confirmed_start_frame + 1 > _vad_opts.max_single_segment_time / frm_shift_in_ms)
+                    {
+                        OnVoiceEnd(cur_frm_idx, false, false);
+                        _vad_state_machine = (int)VadStateMachine.kVadInStateEndPointDetected;
+                    }
+
+                    else if (_vad_opts.do_extend != 0 && !is_final_frame)
+                    {
+                        if (_continous_silence_frame_count <= (int)(_vad_opts.lookahead_time_end_point / frm_shift_in_ms))
+                        {
+                            OnVoiceDetected(cur_frm_idx);
+                        }
+                    }
+
+                    else
+                    {
+                        MaybeOnVoiceEndIfLastFrame(is_final_frame, cur_frm_idx);
+                    }
+                }
+                else
+                {
+                    return;
+                }
+
+            }
+
+            if (_vad_state_machine == (int)VadStateMachine.kVadInStateEndPointDetected && _vad_opts.detect_mode == (int)VadDetectMode.kVadMutipleUtteranceDetectMode)
+            {
+                ResetDetection();
+            }
+
+        }
+
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/CmvnEntity.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp.Model
+{
+    internal class CmvnEntity
+    {
+        private List<float> _means = new List<float>();
+        private List<float> _vars = new List<float>();
+
+        public List<float> Means { get => _means; set => _means = value; }
+        public List<float> Vars { get => _vars; set => _vars = value; }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/E2EVadFrameProbEntity.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp.Model
+{
+    internal class E2EVadFrameProbEntity
+    {
+        private double _noise_prob = 0.0F;
+        private double _speech_prob = 0.0F;
+        private double _score = 0.0F;
+        private int _frame_id = 0;
+        private int _frm_state = 0;
+
+        public double noise_prob { get => _noise_prob; set => _noise_prob = value; }
+        public double speech_prob { get => _speech_prob; set => _speech_prob = value; }
+        public double score { get => _score; set => _score = value; }
+        public int frame_id { get => _frame_id; set => _frame_id = value; }
+        public int frm_state { get => _frm_state; set => _frm_state = value; }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/E2EVadSpeechBufWithDoaEntity.cs

@@ -0,0 +1,98 @@
+// AliFsmnVadSharp, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
+// AliFsmnVadSharp.Model.E2EVadSpeechBufWithDoaEntity
+internal class E2EVadSpeechBufWithDoaEntity
+{
+	private int _start_ms = 0;
+
+	private int _end_ms = 0;
+
+	private byte[]? _buffer;
+
+	private bool _contain_seg_start_point = false;
+
+	private bool _contain_seg_end_point = false;
+
+	private int _doa = 0;
+
+	public int start_ms
+	{
+		get
+		{
+			return _start_ms;
+		}
+		set
+		{
+			_start_ms = value;
+		}
+	}
+
+	public int end_ms
+	{
+		get
+		{
+			return _end_ms;
+		}
+		set
+		{
+			_end_ms = value;
+		}
+	}
+
+	public byte[]? buffer
+	{
+		get
+		{
+			return _buffer;
+		}
+		set
+		{
+			_buffer = value;
+		}
+	}
+
+	public bool contain_seg_start_point
+	{
+		get
+		{
+			return _contain_seg_start_point;
+		}
+		set
+		{
+			_contain_seg_start_point = value;
+		}
+	}
+
+	public bool contain_seg_end_point
+	{
+		get
+		{
+			return _contain_seg_end_point;
+		}
+		set
+		{
+			_contain_seg_end_point = value;
+		}
+	}
+
+	public int doa
+	{
+		get
+		{
+			return _doa;
+		}
+		set
+		{
+			_doa = value;
+		}
+	}
+
+	public void Reset()
+	{
+		_start_ms = 0;
+		_end_ms = 0;
+		_buffer = new byte[0];
+		_contain_seg_start_point = false;
+		_contain_seg_end_point = false;
+		_doa = 0;
+	}
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/EncoderConfEntity.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp.Model
+{
+    public class EncoderConfEntity
+    {
+        private int _input_dim=400;
+        private int _input_affineDim = 140;
+        private int _fsmn_layers = 4;
+        private int _linear_dim = 250;
+        private int _proj_dim = 128;
+        private int _lorder = 20;
+        private int _rorder = 0;
+        private int _lstride = 1;
+        private int _rstride = 0;
+        private int _output_dffine_dim = 140;
+        private int _output_dim = 248;
+
+        public int input_dim { get => _input_dim; set => _input_dim = value; }
+        public int input_affine_dim { get => _input_affineDim; set => _input_affineDim = value; }
+        public int fsmn_layers { get => _fsmn_layers; set => _fsmn_layers = value; }
+        public int linear_dim { get => _linear_dim; set => _linear_dim = value; }
+        public int proj_dim { get => _proj_dim; set => _proj_dim = value; }
+        public int lorder { get => _lorder; set => _lorder = value; }
+        public int rorder { get => _rorder; set => _rorder = value; }
+        public int lstride { get => _lstride; set => _lstride = value; }
+        public int rstride { get => _rstride; set => _rstride = value; }
+        public int output_affine_dim { get => _output_dffine_dim; set => _output_dffine_dim = value; }
+        public int output_dim { get => _output_dim; set => _output_dim = value; }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/FrontendConfEntity.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp.Model
+{
+    public class FrontendConfEntity
+    {
+        private int _fs = 16000;
+        private string _window = "hamming";
+        private int _n_mels = 80;
+        private int _frame_length = 25;
+        private int _frame_shift = 10;
+        private float _dither = 0.0F;
+        private int _lfr_m = 5;
+        private int _lfr_n = 1;
+
+        public int fs { get => _fs; set => _fs = value; }
+        public string window { get => _window; set => _window = value; }
+        public int n_mels { get => _n_mels; set => _n_mels = value; }
+        public int frame_length { get => _frame_length; set => _frame_length = value; }
+        public int frame_shift { get => _frame_shift; set => _frame_shift = value; }
+        public float dither { get => _dither; set => _dither = value; }
+        public int lfr_m { get => _lfr_m; set => _lfr_m = value; }
+        public int lfr_n { get => _lfr_n; set => _lfr_n = value; }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/SegmentEntity.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp.Model
+{
+    public class SegmentEntity
+    {
+        private List<int[]> _segment=new List<int[]>();
+        private List<float[]> _waveform=new List<float[]>();
+
+        public List<int[]> Segment { get => _segment; set => _segment = value; }
+        public List<float[]> Waveform { get => _waveform; set => _waveform = value; }
+        //public SegmentEntity()
+        //{
+        //    int[] t=new int[0];
+        //    _segment.Add(t);
+        //}
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/VadInputEntity.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp.Model
+{
+    internal class VadInputEntity
+    {
+        private float[]? _speech;
+        private int _speechLength;
+        private List<float[]> _inCaches = new List<float[]>();
+        private float[]? _waveform;
+        private E2EVadModel _vad_scorer;
+
+        public float[]? Speech { get => _speech; set => _speech = value; }
+        public int SpeechLength { get => _speechLength; set => _speechLength = value; }
+        public List<float[]> InCaches { get => _inCaches; set => _inCaches = value; }
+        public float[] Waveform { get => _waveform; set => _waveform = value; }
+        internal E2EVadModel VadScorer { get => _vad_scorer; set => _vad_scorer = value; }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/VadOutputEntity.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp.Model
+{
+    internal class VadOutputEntity
+    {
+        private float[,,]? _scores;
+        private List<float[]> _outCaches=new List<float[]>();
+        private float[]? _waveform;
+
+        public float[,,]? Scores { get => _scores; set => _scores = value; }
+        public List<float[]> OutCaches { get => _outCaches; set => _outCaches = value; }
+        public float[] Waveform { get => _waveform; set => _waveform = value; }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/VadPostConfEntity.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp.Model
+{
+    public class VadPostConfEntity
+    {
+        private int _sample_rate= 16000;
+        private int _detect_mode = 1 ;
+        private int _snr_mode = 0;
+        private int _max_end_silence_time = 800;
+        private int _max_start_silence_time = 3000;
+        private bool _do_start_point_detection = true;
+        private bool _do_end_point_detection = true;
+        private int _window_size_ms = 200;
+        private int _sil_to_speech_time_thres = 150;
+        private int _speech_to_sil_time_thres = 150;
+        private float _speech_2_noise_ratio = 1.0F;
+        private int _do_extend = 1;
+        private int _lookback_time_start_point = 200;
+        private int _lookahead_time_end_point = 100;
+        private int _max_single_segment_time = 60000;
+        private int _nn_eval_block_size = 8;
+        private int _dcd_block_size = 4;
+        private float _snr_thres = -100.0F;
+        private int _noise_frame_num_used_for_snr = 100;
+        private float _decibel_thres = -100.0F;
+        private float _speech_noise_thres = 0.6F;
+        private float _fe_prior_thres = 0.0001F;
+        private int _silence_pdf_num = 1;
+        private int[] _sil_pdf_ids = new int[] {0};
+        private float _speech_noise_thresh_low = -0.1F;
+        private float _speech_noise_thresh_high = 0.3F;
+        private bool _output_frame_probs = false;
+        private int _frame_in_ms = 10;
+        private int _frame_length_ms = 25;
+
+        public int sample_rate { get => _sample_rate; set => _sample_rate = value; }
+        public int detect_mode { get => _detect_mode; set => _detect_mode = value; }
+        public int snr_mode { get => _snr_mode; set => _snr_mode = value; }
+        public int max_end_silence_time { get => _max_end_silence_time; set => _max_end_silence_time = value; }
+        public int max_start_silence_time { get => _max_start_silence_time; set => _max_start_silence_time = value; }
+        public bool do_start_point_detection { get => _do_start_point_detection; set => _do_start_point_detection = value; }
+        public bool do_end_point_detection { get => _do_end_point_detection; set => _do_end_point_detection = value; }
+        public int window_size_ms { get => _window_size_ms; set => _window_size_ms = value; }
+        public int sil_to_speech_time_thres { get => _sil_to_speech_time_thres; set => _sil_to_speech_time_thres = value; }
+        public int speech_to_sil_time_thres { get => _speech_to_sil_time_thres; set => _speech_to_sil_time_thres = value; }
+        public float speech_2_noise_ratio { get => _speech_2_noise_ratio; set => _speech_2_noise_ratio = value; }
+        public int do_extend { get => _do_extend; set => _do_extend = value; }
+        public int lookback_time_start_point { get => _lookback_time_start_point; set => _lookback_time_start_point = value; }
+        public int lookahead_time_end_point { get => _lookahead_time_end_point; set => _lookahead_time_end_point = value; }
+        public int max_single_segment_time { get => _max_single_segment_time; set => _max_single_segment_time = value; }
+        public int nn_eval_block_size { get => _nn_eval_block_size; set => _nn_eval_block_size = value; }
+        public int dcd_block_size { get => _dcd_block_size; set => _dcd_block_size = value; }
+        public float snr_thres { get => _snr_thres; set => _snr_thres = value; }
+        public int noise_frame_num_used_for_snr { get => _noise_frame_num_used_for_snr; set => _noise_frame_num_used_for_snr = value; }
+        public float decibel_thres { get => _decibel_thres; set => _decibel_thres = value; }
+        public float speech_noise_thres { get => _speech_noise_thres; set => _speech_noise_thres = value; }
+        public float fe_prior_thres { get => _fe_prior_thres; set => _fe_prior_thres = value; }
+        public int silence_pdf_num { get => _silence_pdf_num; set => _silence_pdf_num = value; }
+        public int[] sil_pdf_ids { get => _sil_pdf_ids; set => _sil_pdf_ids = value; }
+        public float speech_noise_thresh_low { get => _speech_noise_thresh_low; set => _speech_noise_thresh_low = value; }
+        public float speech_noise_thresh_high { get => _speech_noise_thresh_high; set => _speech_noise_thresh_high = value; }
+        public bool output_frame_probs { get => _output_frame_probs; set => _output_frame_probs = value; }
+        public int frame_in_ms { get => _frame_in_ms; set => _frame_in_ms = value; }
+        public int frame_length_ms { get => _frame_length_ms; set => _frame_length_ms = value; }
+        
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/VadYamlEntity.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp.Model
+{
+    internal class VadYamlEntity
+    {
+        private int _input_size;
+        private string _frontend = "wav_frontend";
+        private FrontendConfEntity _frontend_conf=new FrontendConfEntity();
+        private string _model = "e2evad";
+        private string _encoder = "fsmn";
+        private EncoderConfEntity _encoder_conf=new EncoderConfEntity();
+        private VadPostConfEntity _vad_post_conf=new VadPostConfEntity();
+
+        public int input_size { get => _input_size; set => _input_size = value; }
+        public string frontend { get => _frontend; set => _frontend = value; }
+        public string model { get => _model; set => _model = value; }
+        public string encoder { get => _encoder; set => _encoder = value; }
+        public FrontendConfEntity frontend_conf { get => _frontend_conf; set => _frontend_conf = value; }
+        public EncoderConfEntity encoder_conf { get => _encoder_conf; set => _encoder_conf = value; }
+        public VadPostConfEntity model_conf { get => _vad_post_conf; set => _vad_post_conf = value; }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Utils/YamlHelper.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Text.Json;
+using YamlDotNet.Serialization;
+
+namespace AliFsmnVadSharp.Utils
+{
+    internal class YamlHelper
+    {
+        public static T ReadYaml<T>(string yamlFilePath)
+        {
+            if (!File.Exists(yamlFilePath))
+            {
+#pragma warning disable CS8603 // 可能返回 null 引用。
+                return default(T);
+#pragma warning restore CS8603 // 可能返回 null 引用。
+            }
+            StreamReader yamlReader = File.OpenText(yamlFilePath);
+            Deserializer yamlDeserializer = new Deserializer();
+            T info = yamlDeserializer.Deserialize<T>(yamlReader);
+            yamlReader.Close();
+            return info;
+        }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/WavFrontend.cs

@@ -0,0 +1,180 @@
+using AliFsmnVadSharp.Model;
+using KaldiNativeFbankSharp;
+
+namespace AliFsmnVadSharp
+{
+    internal class WavFrontend : IDisposable
+    {
+        private bool _disposed;
+
+        private FrontendConfEntity _frontendConfEntity;
+        OnlineFbank _onlineFbank;
+        private CmvnEntity _cmvnEntity;
+
+        private static int _fbank_beg_idx = 0;
+
+        public WavFrontend(string mvnFilePath, FrontendConfEntity frontendConfEntity)
+        {
+            _frontendConfEntity = frontendConfEntity;
+            _fbank_beg_idx = 0;
+            _onlineFbank = new OnlineFbank(
+                dither: _frontendConfEntity.dither,
+                snip_edges: true,
+                sample_rate: _frontendConfEntity.fs,
+                num_bins: _frontendConfEntity.n_mels
+                );
+            _cmvnEntity = LoadCmvn(mvnFilePath);
+        }
+
+        public float[] GetFbank(float[] samples)
+        {
+            float sample_rate = _frontendConfEntity.fs;
+            samples = samples.Select((float x) => x * 32768f).ToArray();
+            float[] fbanks = _onlineFbank.GetFbank(samples);
+            return fbanks;
+        }
+
+
+        public float[] LfrCmvn(float[] fbanks)
+        {
+            float[] features = fbanks;
+            if (_frontendConfEntity.lfr_m != 1 || _frontendConfEntity.lfr_n != 1)
+            {
+                features = ApplyLfr(fbanks, _frontendConfEntity.lfr_m, _frontendConfEntity.lfr_n);
+            }
+            if (_cmvnEntity != null)
+            {
+                features = ApplyCmvn(features);
+            }
+            return features;
+        }
+
+        private float[] ApplyCmvn(float[] inputs)
+        {
+            var arr_neg_mean = _cmvnEntity.Means;
+            float[] neg_mean = arr_neg_mean.Select(x => (float)Convert.ToDouble(x)).ToArray();
+            var arr_inv_stddev = _cmvnEntity.Vars;
+            float[] inv_stddev = arr_inv_stddev.Select(x => (float)Convert.ToDouble(x)).ToArray();
+
+            int dim = neg_mean.Length;
+            int num_frames = inputs.Length / dim;
+
+            for (int i = 0; i < num_frames; i++)
+            {
+                for (int k = 0; k != dim; ++k)
+                {
+                    inputs[dim * i + k] = (inputs[dim * i + k] + neg_mean[k]) * inv_stddev[k];
+                }
+            }
+            return inputs;
+        }
+
+        public float[] ApplyLfr(float[] inputs, int lfr_m, int lfr_n)
+        {
+            int t = inputs.Length / 80;
+            int t_lfr = (int)Math.Floor((double)(t / lfr_n));
+            float[] input_0 = new float[80];
+            Array.Copy(inputs, 0, input_0, 0, 80);
+            int tile_x = (lfr_m - 1) / 2;
+            t = t + tile_x;
+            float[] inputs_temp = new float[t * 80];
+            for (int i = 0; i < tile_x; i++)
+            {
+                Array.Copy(input_0, 0, inputs_temp, tile_x * 80, 80);
+            }
+            Array.Copy(inputs, 0, inputs_temp, tile_x * 80, inputs.Length);
+            inputs = inputs_temp;
+
+            float[] LFR_outputs = new float[t_lfr * lfr_m * 80];
+            for (int i = 0; i < t_lfr; i++)
+            {
+                if (lfr_m <= t - i * lfr_n)
+                {
+                    Array.Copy(inputs, i * lfr_n * 80, LFR_outputs, i* lfr_m * 80, lfr_m * 80);
+                }
+                else
+                {
+                    // process last LFR frame
+                    int num_padding = lfr_m - (t - i * lfr_n);
+                    float[] frame = new float[lfr_m * 80];
+                    Array.Copy(inputs, i * lfr_n * 80, frame, 0, (t - i * lfr_n) * 80);
+
+                    for (int j = 0; j < num_padding; j++)
+                    {
+                        Array.Copy(inputs, (t - 1) * 80, frame, (lfr_m - num_padding + j) * 80, 80);
+                    }
+                    Array.Copy(frame, 0, LFR_outputs, i * lfr_m * 80, frame.Length);
+                }
+            }
+            return LFR_outputs;
+        }
+        
+        private CmvnEntity LoadCmvn(string mvnFilePath)
+        {
+            List<float> means_list = new List<float>();
+            List<float> vars_list = new List<float>();
+            FileStreamOptions options = new FileStreamOptions();
+            options.Access = FileAccess.Read;
+            options.Mode = FileMode.Open;
+            StreamReader srtReader = new StreamReader(mvnFilePath, options);
+            int i = 0;
+            while (!srtReader.EndOfStream)
+            {
+                string? strLine = srtReader.ReadLine();
+                if (!string.IsNullOrEmpty(strLine))
+                {
+                    if (strLine.StartsWith("<AddShift>")) 
+                    {
+                        i=1;
+                        continue;
+                    }
+                    if (strLine.StartsWith("<Rescale>"))
+                    {
+                        i = 2;
+                        continue;
+                    }
+                    if (strLine.StartsWith("<LearnRateCoef>") && i==1)
+                    {
+                        string[] add_shift_line = strLine.Substring(strLine.IndexOf("[") + 1, strLine.LastIndexOf("]") - strLine.IndexOf("[") - 1).Split(" ");
+                        means_list = add_shift_line.Where(x => !string.IsNullOrEmpty(x)).Select(x => float.Parse(x.Trim())).ToList();
+                        continue;
+                    }
+                    if (strLine.StartsWith("<LearnRateCoef>") && i==2)
+                    {
+                        string[] rescale_line = strLine.Substring(strLine.IndexOf("[") + 1, strLine.LastIndexOf("]") - strLine.IndexOf("[") - 1).Split(" ");
+                        vars_list = rescale_line.Where(x => !string.IsNullOrEmpty(x)).Select(x => float.Parse(x.Trim())).ToList();
+                        continue;
+                    }
+                }
+            }
+            CmvnEntity cmvnEntity = new CmvnEntity();
+            cmvnEntity.Means = means_list;
+            cmvnEntity.Vars = vars_list;
+            return cmvnEntity;
+        }
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!_disposed)
+            {
+                if (disposing)
+                {
+                    if (_onlineFbank != null)
+                    {
+                        _onlineFbank.Dispose();
+                    }
+                }
+                _disposed = true;
+            }
+        }
+
+        public void Dispose()
+        {
+            Dispose(disposing: true);
+            GC.SuppressFinalize(this);
+        }
+        ~WavFrontend()
+        {
+            Dispose(_disposed);
+        }
+    }
+}

runtime/csharp/AliFsmnVad/AliFsmnVadSharp/WindowDetector.cs

@@ -0,0 +1,156 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AliFsmnVadSharp
+{
+    public enum FrameState
+    {
+        kFrameStateInvalid = -1,
+        kFrameStateSpeech = 1,
+        kFrameStateSil = 0
+    }
+
+    /// <summary>
+    /// final voice/unvoice state per frame
+    /// </summary>
+    public enum AudioChangeState
+    {
+        kChangeStateSpeech2Speech = 0,
+        kChangeStateSpeech2Sil = 1,
+        kChangeStateSil2Sil = 2,
+        kChangeStateSil2Speech = 3,
+        kChangeStateNoBegin = 4,
+        kChangeStateInvalid = 5
+    }
+
+
+    internal class WindowDetector
+    {
+        private int _window_size_ms = 0; //window_size_ms;
+        private int _sil_to_speech_time = 0; //sil_to_speech_time;
+        private int _speech_to_sil_time = 0; //speech_to_sil_time;
+        private int _frame_size_ms = 0; //frame_size_ms;
+
+        private int _win_size_frame = 0;
+        private int _win_sum = 0;
+        private int[] _win_state = new int[0];// * _win_size_frame;  // 初始化窗
+
+        private int _cur_win_pos = 0;
+        private int _pre_frame_state = (int)FrameState.kFrameStateSil;
+        private int _cur_frame_state = (int)FrameState.kFrameStateSil;
+        private int _sil_to_speech_frmcnt_thres = 0; //int(sil_to_speech_time / frame_size_ms);
+        private int _speech_to_sil_frmcnt_thres = 0; //int(speech_to_sil_time / frame_size_ms);
+
+        private int _voice_last_frame_count = 0;
+        private int _noise_last_frame_count = 0;
+        private int _hydre_frame_count = 0;
+
+        public WindowDetector()
+        {
+
+        }
+
+        public WindowDetector(int window_size_ms, int sil_to_speech_time, int speech_to_sil_time, int frame_size_ms)
+        {
+            _window_size_ms = window_size_ms;
+            _sil_to_speech_time = sil_to_speech_time;
+            _speech_to_sil_time = speech_to_sil_time;
+            _frame_size_ms = frame_size_ms;
+
+            _win_size_frame = (int)(window_size_ms / frame_size_ms);
+            _win_sum = 0;
+            _win_state = new int[_win_size_frame];//[0] * _win_size_frame;  // 初始化窗
+
+            _cur_win_pos = 0;
+            _pre_frame_state = (int)FrameState.kFrameStateSil;
+            _cur_frame_state = (int)FrameState.kFrameStateSil;
+            _sil_to_speech_frmcnt_thres = (int)(sil_to_speech_time / frame_size_ms);
+            _speech_to_sil_frmcnt_thres = (int)(speech_to_sil_time / frame_size_ms);
+
+            _voice_last_frame_count = 0;
+            _noise_last_frame_count = 0;
+            _hydre_frame_count = 0;
+        }
+
+        public void Reset()
+        {
+            _cur_win_pos = 0;
+            _win_sum = 0;
+            _win_state = new int[_win_size_frame];
+            _pre_frame_state = (int)FrameState.kFrameStateSil;
+            _cur_frame_state = (int)FrameState.kFrameStateSil;
+            _voice_last_frame_count = 0;
+            _noise_last_frame_count = 0;
+            _hydre_frame_count = 0;
+        }
+        
+
+        public int GetWinSize()
+        {
+            return _win_size_frame;
+        }
+
+        public AudioChangeState DetectOneFrame(FrameState frameState, int frame_count)
+        {
+
+
+            _cur_frame_state = (int)FrameState.kFrameStateSil;
+            if (frameState == FrameState.kFrameStateSpeech)
+            {
+                _cur_frame_state = 1;
+            }
+
+            else if (frameState == FrameState.kFrameStateSil)
+            {
+                _cur_frame_state = 0;
+            }
+
+            else
+            {
+                return AudioChangeState.kChangeStateInvalid;
+            }
+
+            _win_sum -= _win_state[_cur_win_pos];
+            _win_sum += _cur_frame_state;
+            _win_state[_cur_win_pos] = _cur_frame_state;
+            _cur_win_pos = (_cur_win_pos + 1) % _win_size_frame;
+
+            if (_pre_frame_state == (int)FrameState.kFrameStateSil && _win_sum >= _sil_to_speech_frmcnt_thres)
+            {
+                _pre_frame_state = (int)FrameState.kFrameStateSpeech;
+                return AudioChangeState.kChangeStateSil2Speech;
+            }
+
+
+            if (_pre_frame_state == (int)FrameState.kFrameStateSpeech && _win_sum <= _speech_to_sil_frmcnt_thres)
+            {
+                _pre_frame_state = (int)FrameState.kFrameStateSil;
+                return AudioChangeState.kChangeStateSpeech2Sil;
+            }
+
+
+            if (_pre_frame_state == (int)FrameState.kFrameStateSil)
+            {
+                return AudioChangeState.kChangeStateSil2Sil;
+            }
+
+            if (_pre_frame_state == (int)FrameState.kFrameStateSpeech)
+            {
+                return AudioChangeState.kChangeStateSpeech2Speech;
+            }
+
+            return AudioChangeState.kChangeStateInvalid;
+        }
+
+        private int FrameSizeMs()
+        {
+            return _frame_size_ms;
+        }
+
+
+
+    }
+}

runtime/csharp/AliFsmnVad/README.md

@@ -0,0 +1,59 @@
+# AliFsmnVadSharp
+##### 简介：
+项目中使用的VAD模型是阿里巴巴达摩院提供的FSMN-Monophone VAD模型。
+**项目基于Net 6.0，使用C#编写，调用Microsoft.ML.OnnxRuntime对onnx模型进行解码，支持跨平台编译。项目以库的形式进行调用，部署非常方便。**
+VAD整体流程的rtf在0.008左右。
+
+##### 用途：
+16k中文通用VAD模型：可用于检测长语音片段中有效语音的起止时间点.
+FSMN-Monophone VAD是达摩院语音团队提出的高效语音端点检测模型，用于检测输入音频中有效语音的起止时间点信息，并将检测出来的有效音频片段输入识别引擎进行识别，减少无效语音带来的识别错误。
+
+##### VAD常用参数调整说明（参考：vad.yaml文件）：
+max_end_silence_time：尾部连续检测到多长时间静音进行尾点判停，参数范围500ms～6000ms，默认值800ms(该值过低容易出现语音提前截断的情况)。
+speech_noise_thres：speech的得分减去noise的得分大于此值则判断为speech，参数范围：（-1,1）
+取值越趋于-1，噪音被误判定为语音的概率越大，FA越高
+取值越趋于+1，语音被误判定为噪音的概率越大，Pmiss越高
+通常情况下，该值会根据当前模型在长语音测试集上的效果取balance
+
+##### 模型获取
+
+##### 调用方式：
+###### 1.添加项目引用
+using AliFsmnVadSharp;
+
+###### 2.初始化模型和配置
+```csharp
+string applicationBase = AppDomain.CurrentDomain.BaseDirectory;
+string modelFilePath = applicationBase + "./speech_fsmn_vad_zh-cn-16k-common-pytorch/model.onnx";
+string configFilePath = applicationBase + "./speech_fsmn_vad_zh-cn-16k-common-pytorch/vad.yaml";
+string mvnFilePath = applicationBase + "./speech_fsmn_vad_zh-cn-16k-common-pytorch/vad.mvn";
+int batchSize = 2;//批量解码
+AliFsmnVad aliFsmnVad = new AliFsmnVad(modelFilePath, configFilePath, mvnFilePath, batchSize);
+```
+###### 3.调用
+方法一(适用于小文件)：
+```csharp
+SegmentEntity[] segments_duration = aliFsmnVad.GetSegments(samples);
+```
+方法二(适用于大文件)：
+```csharp
+SegmentEntity[] segments_duration = aliFsmnVad.GetSegmentsByStep(samples);
+```
+###### 4.输出结果：
+```
+load model and init config elapsed_milliseconds:463.5390625
+vad infer result:
+[[70,2340][2620,6200][6480,23670][23950,26250][26780,28990][29950,31430][31750,37600][38210,46900][47310,49630][49910,56460][56740,59540][59820,70450]]
+elapsed_milliseconds:662.796875
+total_duration:70470.625
+rtf:0.009405292985552491
+```
+输出的数据，例如：[70,2340]，是以毫秒为单位的segement的起止时间，可以以此为依据对音频进行分片。其中静音噪音部分已被去除。
+
+其他说明：
+测试用例：AliFsmnVadSharp.Examples。
+测试环境：windows11。
+测试用例中samples的计算,使用的是NAudio库。
+
+通过以下链接了解更多：
+https://www.modelscope.cn/models/damo/speech_fsmn_vad_zh-cn-16k-common-pytorch/summary

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/App.xaml

@@ -0,0 +1,14 @@
+<?xml version = "1.0" encoding = "UTF-8" ?>
+<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:MauiApp1"
+             x:Class="MauiApp1.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/App.xaml.cs

@@ -0,0 +1,19 @@
+namespace MauiApp1;
+
+public partial class App : Application
+{
+	public App()
+	{
+		InitializeComponent();
+        MainPage = new MySplashPage();
+        _ = EndSplash();
+    }
+    async Task EndSplash()
+    {
+        await Task.Delay(1000);
+        MainThread.BeginInvokeOnMainThread(() =>
+        {
+            MainPage = new AppShell();
+        });
+    }
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/AppShell.xaml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="MauiApp1.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:MauiApp1"
+    Shell.FlyoutBehavior="Disabled">
+    <FlyoutItem FlyoutDisplayOptions="AsMultipleItems">
+        <ShellContent
+        Title="Offline"
+        ContentTemplate="{DataTemplate local:RecognitionForFiles}"
+        Route="MainPage" />
+        <ShellContent
+        Title="Home"
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />        
+    </FlyoutItem>
+
+</Shell>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/AppShell.xaml.cs

@@ -0,0 +1,9 @@
+namespace MauiApp1;
+
+public partial class AppShell : Shell
+{
+	public AppShell()
+	{
+		InitializeComponent();
+	}
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/MainPage.xaml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="MauiApp1.MainPage">
+
+    <ScrollView>
+        <VerticalStackLayout
+            Spacing="25"
+            Padding="30,0"
+            VerticalOptions="Center">
+
+            <Image
+                Source="dotnet_bot.png"
+                SemanticProperties.Description="Cute dot net bot waving hi to you!"
+                HeightRequest="66"                
+                HorizontalOptions="Center" />
+        </VerticalStackLayout>
+
+    </ScrollView>
+
+</ContentPage>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/MainPage.xaml.cs

@@ -0,0 +1,25 @@
+using Microsoft.Maui.Storage;
+using NAudio.Wave;
+using System.ComponentModel;
+using System.Net;
+using System.Reflection;
+using System.Text;
+using System.Windows.Input;
+using static System.Net.Mime.MediaTypeNames;
+using MauiApp1.Utils;
+using System;
+using Microsoft.Maui.Graphics;
+
+namespace MauiApp1;
+
+public partial class MainPage : ContentPage
+{
+
+    public MainPage()
+    {
+        InitializeComponent();
+    }
+
+
+}
+

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/MauiApp1.csproj

@@ -0,0 +1,91 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net6.0-android;net6.0-ios;net6.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net6.0-windows10.0.19041.0</TargetFrameworks>
+		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+		<!-- <TargetFrameworks>$(TargetFrameworks);net6.0-tizen</TargetFrameworks> -->
+		<OutputType>Exe</OutputType>
+		<RootNamespace>MauiApp1</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+
+		<!-- Display name -->
+		<ApplicationTitle>ASR demo</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.manyeyes.MauiApp1</ApplicationId>
+		<ApplicationIdGuid>be632abf-f31d-4458-8964-b4e8787dee11</ApplicationIdGuid>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">14.2</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">14.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+	</PropertyGroup>
+
+	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net6.0-android|AnyCPU'">
+	  <EmbedAssembliesIntoApk>True</EmbedAssembliesIntoApk>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<!-- App Icon -->
+		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#F6F8F6" />
+
+		<!-- Splash Screen -->
+		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#F6F8F6" BaseSize="128,128" />
+
+		<!-- Images -->
+		<MauiImage Include="Resources\Images\*" />
+		<MauiImage Update="Resources\Images\dotnet_bot.svg" BaseSize="168,208" />
+
+		<!-- Custom Fonts -->
+		<MauiFont Include="Resources\Fonts\*" />
+
+		<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <PackageReference Include="NAudio" Version="2.1.0" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <ProjectReference Include="..\AliParaformerAsr\AliParaformerAsr.csproj" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <Compile Update="RecognitionForFiles.xaml.cs">
+	    <DependentUpon>RecognitionForFiles.xaml</DependentUpon>
+	  </Compile>
+	  <Compile Update="MainPage.xaml.cs">
+	    <DependentUpon>MainPage.xaml</DependentUpon>
+	  </Compile>
+	</ItemGroup>
+
+	<ItemGroup>
+	  <MauiXaml Update="MainPage.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
+	  <MauiXaml Update="MySplashPage.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
+	</ItemGroup>
+
+	<ItemGroup>
+	  <None Update="speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx\model_quant.onnx">
+	    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+	  </None>
+	</ItemGroup>
+
+	<ItemGroup>
+	  <Folder Include="AllModels\" />
+	</ItemGroup>
+
+</Project>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/MauiApp1.csproj.user

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <IsFirstTimeProjectOpen>False</IsFirstTimeProjectOpen>
+    <ActiveDebugFramework>net6.0-android</ActiveDebugFramework>
+    <ActiveDebugProfile>Xiaomi Redmi Note 7 Pro (Android 10.0 - API 29)</ActiveDebugProfile>
+    <SelectedPlatformGroup>PhysicalDevice</SelectedPlatformGroup>
+    <DefaultDevice>pixel_5_-_api_33</DefaultDevice>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net6.0-android|AnyCPU'">
+    <DebuggerFlavor>ProjectDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(TargetPlatformIdentifier)'=='iOS'">
+    <RuntimeIdentifier>iossimulator-x64</RuntimeIdentifier>
+    <PlatformTarget>x64</PlatformTarget>
+  </PropertyGroup>
+  <ItemGroup>
+    <None Update="Platforms\Windows\Package.appxmanifest">
+      <SubType>Designer</SubType>
+    </None>
+  </ItemGroup>
+</Project>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/MauiProgram.cs

@@ -0,0 +1,18 @@
+namespace MauiApp1;
+
+public static class MauiProgram
+{
+	public static MauiApp CreateMauiApp()
+	{
+		var builder = MauiApp.CreateBuilder();
+		builder
+			.UseMauiApp<App>()
+			.ConfigureFonts(fonts =>
+			{
+				fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+				fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
+			});
+
+		return builder.Build();
+	}
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/MySplashPage.xaml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="MauiApp1.MySplashPage">
+
+    <ScrollView>
+        <VerticalStackLayout
+            Spacing="25"
+            Padding="30,0"
+            VerticalOptions="Center">
+
+            <Image
+                Source="dotnet_bot.png"
+                SemanticProperties.Description="Cute dot net bot waving hi to you!"
+                HeightRequest="66"                
+                HorizontalOptions="Center" />
+        </VerticalStackLayout>
+
+    </ScrollView>
+
+</ContentPage>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/MySplashPage.xaml.cs

@@ -0,0 +1,25 @@
+using Microsoft.Maui.Storage;
+using NAudio.Wave;
+using System.ComponentModel;
+using System.Net;
+using System.Reflection;
+using System.Text;
+using System.Windows.Input;
+using static System.Net.Mime.MediaTypeNames;
+using MauiApp1.Utils;
+using System;
+using Microsoft.Maui.Graphics;
+
+namespace MauiApp1;
+
+public partial class MySplashPage : ContentPage
+{
+
+    public MySplashPage()
+    {
+        InitializeComponent();
+    }
+
+
+}
+

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Android/AndroidManifest.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+		<application android:allowBackup="true" android:icon="@mipmap/appicon" android:supportsRtl="true"></application>
+		<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+		<uses-permission android:name="android.permission.INTERNET" />
+		<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32" />
+		<!-- Required only if your app needs to access images or photos that other apps created -->
+		<uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+		<!-- Required only if your app needs to access videos that other apps created -->
+		<uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
+		<!-- Required only if your app needs to access audio files that other apps created -->
+		<uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
+		<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+		<uses-permission android:name="android.permission.CAMERA" />
+		<uses-permission android:name="android.permission.RecordAudio" />
+		<uses-sdk />
+</manifest>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Android/MainActivity.cs

@@ -0,0 +1,10 @@
+using Android.App;
+using Android.Content.PM;
+using Android.OS;
+
+namespace MauiApp1;
+
+[Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+public class MainActivity : MauiAppCompatActivity
+{
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Android/MainApplication.cs

@@ -0,0 +1,39 @@
+using Android.App;
+using Android.Runtime;
+
+namespace MauiApp1;
+
+[Application]
+
+//[assembly: UsesPermission(Android.Manifest.Permission.ReadExternalStorage, MaxSDKVersion = 32)]
+[assembly: UsesPermission(Android.Manifest.Permission.ReadMediaAudio)]
+[assembly: UsesPermission(Android.Manifest.Permission.ReadMediaImages)]
+[assembly: UsesPermission(Android.Manifest.Permission.ReadMediaVideo)]
+[assembly: UsesPermission(Android.Manifest.Permission.ManageExternalStorage)]
+// Needed for Picking photo/video
+[assembly: UsesPermission(Android.Manifest.Permission.ReadExternalStorage)]
+
+// Needed for Taking photo/video
+[assembly: UsesPermission(Android.Manifest.Permission.WriteExternalStorage)]
+[assembly: UsesPermission(Android.Manifest.Permission.Camera)]
+[assembly: UsesPermission(Android.Manifest.Permission.RecordAudio)]
+[assembly: UsesPermission(Android.Manifest.Permission.CaptureVideoOutput)]
+
+// Add these properties if you would like to filter out devices that do not have cameras, or set to false to make them optional
+[assembly: UsesFeature("android.hardware.camera", Required = true)]
+[assembly: UsesFeature("android.hardware.camera.autofocus", Required = true)]
+[assembly: UsesFeature("android.hardware.recordaudio", Required = true)]
+[assembly: UsesFeature("android.hardware.recordaudio.autofocus", Required = true)]
+[assembly: UsesFeature("android.hardware.capturevideooutput", Required = true)]
+[assembly: UsesFeature("android.hardware.capturevideooutput.autofocus", Required = true)]
+
+
+public class MainApplication : MauiApplication
+{
+	public MainApplication(IntPtr handle, JniHandleOwnership ownership)
+		: base(handle, ownership)
+	{
+	}
+
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Android/Resources/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#512BD4</color>
+    <color name="colorPrimaryDark">#2B0B98</color>
+    <color name="colorAccent">#2B0B98</color>
+</resources>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/MacCatalyst/AppDelegate.cs

@@ -0,0 +1,9 @@
+using Foundation;
+
+namespace MauiApp1;
+
+[Register("AppDelegate")]
+public class AppDelegate : MauiUIApplicationDelegate
+{
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/MacCatalyst/Info.plist

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>UIDeviceFamily</key>
+	<array>
+		<integer>1</integer>
+		<integer>2</integer>
+	</array>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>arm64</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>XSAppIconAssets</key>
+	<string>Assets.xcassets/appicon.appiconset</string>
+</dict>
+</plist>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/MacCatalyst/Program.cs

@@ -0,0 +1,15 @@
+using ObjCRuntime;
+using UIKit;
+
+namespace MauiApp1;
+
+public class Program
+{
+	// This is the main entry point of the application.
+	static void Main(string[] args)
+	{
+		// if you want to use a different Application Delegate class from "AppDelegate"
+		// you can specify it here.
+		UIApplication.Main(args, null, typeof(AppDelegate));
+	}
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Tizen/Main.cs

@@ -0,0 +1,16 @@
+using System;
+using Microsoft.Maui;
+using Microsoft.Maui.Hosting;
+
+namespace MauiApp1;
+
+class Program : MauiApplication
+{
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+
+	static void Main(string[] args)
+	{
+		var app = new Program();
+		app.Run(args);
+	}
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Tizen/tizen-manifest.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="maui-application-id-placeholder" version="0.0.0" api-version="7" xmlns="http://tizen.org/ns/packages">
+  <profile name="common" />
+  <ui-application appid="maui-application-id-placeholder" exec="MauiApp1.dll" multiple="false" nodisplay="false" taskmanage="true" type="dotnet" launch_mode="single">
+    <label>maui-application-title-placeholder</label>
+    <icon>maui-appicon-placeholder</icon>
+    <metadata key="http://tizen.org/metadata/prefer_dotnet_aot" value="true" />
+  </ui-application>
+  <shortcut-list />
+  <privileges>
+    <privilege>http://tizen.org/privilege/internet</privilege>
+  </privileges> 
+  <dependencies />
+  <provides-appdefined-privileges />
+</manifest>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Windows/App.xaml

@@ -0,0 +1,8 @@
+<maui:MauiWinUIApplication
+    x:Class="MauiApp1.WinUI.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:maui="using:Microsoft.Maui"
+    xmlns:local="using:MauiApp1.WinUI">
+
+</maui:MauiWinUIApplication>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Windows/App.xaml.cs

@@ -0,0 +1,24 @@
+using Microsoft.UI.Xaml;
+
+// To learn more about WinUI, the WinUI project structure,
+// and more about our project templates, see: http://aka.ms/winui-project-info.
+
+namespace MauiApp1.WinUI;
+
+/// <summary>
+/// Provides application-specific behavior to supplement the default Application class.
+/// </summary>
+public partial class App : MauiWinUIApplication
+{
+	/// <summary>
+	/// Initializes the singleton application object.  This is the first line of authored code
+	/// executed, and as such is the logical equivalent of main() or WinMain().
+	/// </summary>
+	public App()
+	{
+		this.InitializeComponent();
+	}
+
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}
+

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Windows/Package.appxmanifest

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Package
+  xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
+  xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
+  xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest"
+  xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
+  IgnorableNamespaces="uap rescap">
+
+  <Identity Name="maui-package-name-placeholder" Publisher="CN=User Name" Version="0.0.0.0" />
+
+  <mp:PhoneIdentity PhoneProductId="B8687A78-A016-4011-9FEF-910387A888E5" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
+
+  <Properties>
+    <DisplayName>$placeholder$</DisplayName>
+    <PublisherDisplayName>User Name</PublisherDisplayName>
+    <Logo>$placeholder$.png</Logo>
+  </Properties>
+
+  <Dependencies>
+    <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0" />
+    <TargetDeviceFamily Name="Windows.Desktop" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0" />
+  </Dependencies>
+
+  <Resources>
+    <Resource Language="x-generate" />
+  </Resources>
+
+  <Applications>
+    <Application Id="App" Executable="$targetnametoken$.exe" EntryPoint="$targetentrypoint$">
+      <uap:VisualElements
+        DisplayName="$placeholder$"
+        Description="$placeholder$"
+        Square150x150Logo="$placeholder$.png"
+        Square44x44Logo="$placeholder$.png"
+        BackgroundColor="transparent">
+        <uap:DefaultTile Square71x71Logo="$placeholder$.png" Wide310x150Logo="$placeholder$.png" Square310x310Logo="$placeholder$.png" />
+        <uap:SplashScreen Image="$placeholder$.png" />
+      </uap:VisualElements>
+    </Application>
+  </Applications>
+
+  <Capabilities>
+    <rescap:Capability Name="runFullTrust" />
+  </Capabilities>
+
+</Package>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/Windows/app.manifest

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <assemblyIdentity version="1.0.0.0" name="MauiApp1.WinUI.app"/>
+
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <!-- The combination of below two tags have the following effect:
+           1) Per-Monitor for >= Windows 10 Anniversary Update
+           2) System < Windows 10 Anniversary Update
+      -->
+      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/PM</dpiAware>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
+    </windowsSettings>
+  </application>
+</assembly>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/iOS/AppDelegate.cs

@@ -0,0 +1,9 @@
+using Foundation;
+
+namespace MauiApp1;
+
+[Register("AppDelegate")]
+public class AppDelegate : MauiUIApplicationDelegate
+{
+	protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/iOS/Info.plist

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIDeviceFamily</key>
+	<array>
+		<integer>1</integer>
+		<integer>2</integer>
+	</array>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>arm64</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>XSAppIconAssets</key>
+	<string>Assets.xcassets/appicon.appiconset</string>
+</dict>
+</plist>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Platforms/iOS/Program.cs

@@ -0,0 +1,15 @@
+using ObjCRuntime;
+using UIKit;
+
+namespace MauiApp1;
+
+public class Program
+{
+	// This is the main entry point of the application.
+	static void Main(string[] args)
+	{
+		// if you want to use a different Application Delegate class from "AppDelegate"
+		// you can specify it here.
+		UIApplication.Main(args, null, typeof(AppDelegate));
+	}
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "Windows Machine": {
+      "commandName": "MsixPackage",
+      "nativeDebugging": false
+    }
+  }
+}

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/RecognitionForFiles.xaml

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="MauiApp1.RecognitionForFiles">
+    <ScrollView>
+        <VerticalStackLayout
+            Spacing="25"
+            Padding="15,15"
+            VerticalOptions="Start">
+            <StackLayout>
+                <Grid ColumnSpacing="5" RowSpacing="5">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*" />
+                        <ColumnDefinition Width="80" />
+                        <ColumnDefinition Width="120" />
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="40" />
+                        <RowDefinition Height="15" />
+                        <RowDefinition Height="*" />
+                        <RowDefinition Height="*" />
+                    </Grid.RowDefinitions>
+                    <Label Text="models not checked" Grid.Row="0" Grid.Column="0"
+                           x:Name="ModelStatusLabel"
+                           VerticalTextAlignment="Center" HorizontalTextAlignment="Start"/>
+                    <Button Grid.Row="0" Grid.Column="1"
+                x:Name="BtnDownLoadCheck"
+                Text="Check"
+                SemanticProperties.Hint="Counts the number of times you click"
+                Clicked="OnDownLoadCheckClicked"
+                HorizontalOptions="Center" />
+                    <Button Grid.Row="0" Grid.Column="2"
+                x:Name="BtnDownLoadModels"
+                Text="Download"
+                SemanticProperties.Hint="Counts the number of times you click"
+                Clicked="OnDownLoadModelsClicked"
+                HorizontalOptions="EndAndExpand" />
+                    <Label Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="3"
+                x:Name="DownloadProgressLabel"
+                Text="" IsVisible="False"
+                BackgroundColor="White"
+                           HorizontalOptions="FillAndExpand"
+                           HorizontalTextAlignment="Start"
+                TextColor="Red"/>
+                    <ProgressBar  IsVisible="False" Grid.Row="3" Grid.Column="0" Grid.ColumnSpan="3"
+                    x:Name="DownloadProgressBar" HorizontalOptions="FillAndExpand" />
+                </Grid>
+                <Label Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="3"
+                x:Name="DownloadResultsLabel"
+                Text="" IsVisible="False"
+                BackgroundColor="White"
+                TextColor="Red"/>
+                <Grid ColumnSpacing="5" RowSpacing="5">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="4*" />
+                        <ColumnDefinition Width="8*" />
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="40" />
+                    </Grid.RowDefinitions>
+                    <Button Grid.Row="0" Grid.Column="0"
+                x:Name="BtnRecognitionExample"
+                Text="Example"
+                SemanticProperties.Hint="Counts the number of times you click"
+                Clicked="OnBtnRecognitionExampleClicked"
+                HorizontalOptions="FillAndExpand" />
+                    <Button Grid.Row="0" Grid.Column="1"
+                x:Name="BtnRecognitionFiles"
+                Text="Recognition Files"
+                SemanticProperties.Hint="Counts the number of times you click"
+                Clicked="OnBtnRecognitionFilesClicked"
+                HorizontalOptions="FillAndExpand" />
+                </Grid>
+            </StackLayout>
+            <Label FlowDirection="MatchParent"
+                Text="Display recognition results"
+                SemanticProperties.HeadingLevel="Level2"
+                SemanticProperties.Description="Welcome to dot net Multi platform App U I"
+                FontSize="15"
+                Background="#F6F8F6"
+                Padding="10,10,10,10"
+                x:Name="AsrResults"
+                HorizontalOptions="FillAndExpand"
+                BackgroundColor="White"
+                TextColor="Red" />
+        </VerticalStackLayout>
+    </ScrollView>
+</ContentPage>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/RecognitionForFiles.xaml.cs

@@ -0,0 +1,496 @@
+using Microsoft.Maui.Storage;
+using NAudio.Wave;
+using System.ComponentModel;
+using System.Net;
+using System.Reflection;
+using System.Text;
+using System.Windows.Input;
+using static System.Net.Mime.MediaTypeNames;
+using MauiApp1.Utils;
+using System;
+using Microsoft.Maui.Graphics;
+
+namespace MauiApp1;
+
+public partial class RecognitionForFiles : ContentPage
+{
+    private AliParaformerAsr.OfflineRecognizer _offlineRecognizer = null;
+
+
+    public RecognitionForFiles()
+    {
+        InitializeComponent();
+        //GetDownloadState();
+    }
+
+    private async void OnDownLoadCheckClicked(object sender, EventArgs e)
+    {
+        BtnDownLoadCheck.IsEnabled = false;
+        TaskFactory taskFactory = new TaskFactory();
+        await taskFactory.StartNew(async () =>
+        {
+            DownloadCheck();
+        });
+        BtnDownLoadCheck.IsEnabled = true;
+    }
+
+    private async void OnDownLoadModelsClicked(object sender, EventArgs e)
+    {
+        BtnDownLoadModels.IsEnabled = false;
+        DownloadProgressBar.Progress = 0 / 100.0;
+        DownloadProgressLabel.Text = "";
+        TaskFactory taskFactory = new TaskFactory();
+        await taskFactory.StartNew(async () =>
+        {
+            DownloadModels();
+        });
+        BtnDownLoadModels.IsEnabled = true;
+    }
+
+    async void DownloadModels()
+    {
+        string paraformerFilejson = "[{},{}]";
+
+        string[] downloadUrls = {
+            "http://huggingface.co/manyeyes/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx/resolve/main/model_quant.onnx",
+            "http://huggingface.co/manyeyes/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx/resolve/main/am.mvn",
+            "http://huggingface.co/manyeyes/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx/resolve/main/asr.yaml",
+            "http://huggingface.co/manyeyes/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx/resolve/main/tokens.txt",
+            "http://huggingface.co/manyeyes/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx/resolve/main/example/0.wav" };
+        string[] fileNames = { "model.int8.onnx", "am.mvn", "asr.yaml", "tokens.txt", "0.wav" };
+        var rootFolderName = "AllModels";
+        var subFolderName = "speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx";
+        List<int> indexs = new List<int>();
+        DownloadHelper downloadHelper = new DownloadHelper(this.DownloadDisplay);
+        DownloadProgressLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressLabel.IsVisible = true;
+                                 DownloadProgressLabel.Text = "";
+                             }));
+
+        DownloadProgressBar.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressBar.IsVisible = true;
+                                 DownloadProgressBar.Progress = 0 / 100.0;
+                             }));
+        while (indexs.Count < downloadUrls.Length)
+        {
+            if (downloadHelper.IsDownloading)
+            {
+                continue;
+            }
+            for (int i = 0; i < downloadUrls.Length; i++)
+            {
+                if (indexs.Contains(i))
+                {
+                    continue;
+                }
+                if (downloadHelper.IsDownloading)
+                {
+                    break;
+                }
+                var downloadUrl = downloadUrls[i];
+                var fileName = fileNames[i];
+                downloadHelper.DownloadCreate(downloadUrl, fileName, rootFolderName, subFolderName);
+                downloadHelper.DownloadStart();
+                indexs.Add(i);
+            }
+        }
+        DownloadProgressLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressLabel.IsVisible = false;
+                                 DownloadProgressLabel.Text = "";
+                             }));
+
+        DownloadProgressBar.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressBar.IsVisible = false;
+                                 DownloadProgressBar.Progress = 0 / 100.0;
+                             }));
+    }
+
+    async void GetDownloadState()
+    {
+        string[] fileNames = { "model.int8.onnx", "am.mvn", "asr.yaml", "tokens.txt", "0.wav" };
+        string[] md5Strs = { "a171eff9959f2486d5c1bafce61d0b7a", "dc1dbdeeb8961f012161cfce31eaacaf", "71d32ccf12dbb85a5d8b249558f258fb", "5c8702dc2686b846fe268d9aa712be9b", "af1295e53df7298458f808bc0cd946e2" };
+        var rootFolderName = "AllModels";
+        var subFolderName = "speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx";
+        DownloadHelper downloadHelper = new DownloadHelper();
+        bool state = downloadHelper.GetDownloadState(fileNames, rootFolderName, subFolderName, md5Strs);
+        ModelStatusLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 if (state)
+                                 {
+                                     ModelStatusLabel.Text = "model is ready";
+                                 }
+                                 else
+                                 {
+                                     ModelStatusLabel.Text = "model not ready";
+                                 }
+
+                             }));
+    }
+
+    async void DownloadCheck()
+    {
+        string[] fileNames = { "model.int8.onnx", "am.mvn", "asr.yaml", "tokens.txt", "0.wav" };
+        string[] md5Strs = { "a171eff9959f2486d5c1bafce61d0b7a", "dc1dbdeeb8961f012161cfce31eaacaf", "71d32ccf12dbb85a5d8b249558f258fb", "5c8702dc2686b846fe268d9aa712be9b", "af1295e53df7298458f808bc0cd946e2" };
+        var rootFolderName = "AllModels";
+        var subFolderName = "speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx";
+        DownloadHelper downloadHelper = new DownloadHelper(this.DownloadDisplay);
+        bool state = downloadHelper.GetDownloadState(fileNames, rootFolderName, subFolderName, md5Strs);
+        ModelStatusLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 if (state)
+                                 {
+                                     ModelStatusLabel.Text = "model is ready";
+                                 }
+                                 else
+                                 {
+                                     ModelStatusLabel.Text = "model not ready";
+                                 }
+
+                             }));
+        if (!state)
+        {
+            DownloadResultsLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadResultsLabel.IsVisible = true;
+                                 DownloadResultsLabel.Text = "";
+                             }));
+            for (int i = 0; i < fileNames.Length; i++)
+            {
+                downloadHelper.DownloadCheck(fileNames[i], rootFolderName, subFolderName, md5Strs[i]);
+            }
+        }
+
+    }
+
+
+    private void DownloadDisplay(int progress, DownloadState downloadState, string filename, string msg = "")
+    {
+
+        switch (downloadState)
+        {
+            case DownloadState.inprogres:
+                DownloadProgressBar.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressBar.Progress = progress / 100.0;
+                             }));
+                DownloadProgressLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressLabel.Text = $"文件：{filename}，正在下载，进度：{progress}%\n";
+                             }));
+
+                break;
+            case DownloadState.cancelled:
+                DownloadProgressBar.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressBar.Progress = progress / 100.0;
+                             }));
+                DownloadProgressLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressLabel.Text = $"文件：{filename}，下载已取消\n";
+                             }));
+                break;
+            case DownloadState.error:
+                DownloadProgressBar.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressBar.Progress = progress / 100.0;
+                             }));
+                DownloadProgressLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressLabel.Text = $"文件：{filename}，下载失败：{msg}\n";
+                             }));
+                DownloadResultsLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadResultsLabel.Text += $"文件：{filename}，下载失败：{msg}\n";
+                             }));
+                break;
+            case DownloadState.completed:
+                DownloadProgressBar.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressBar.Progress = progress / 100.0;
+                             }));
+                DownloadProgressLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressLabel.Text = $"文件：{filename}，下载完成\n";
+                             }));
+                DownloadResultsLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadResultsLabel.Text += $"文件：{filename}，下载完成\n";
+                             }));
+                break;
+            case DownloadState.existed:
+                DownloadProgressBar.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadProgressBar.Progress = progress / 100.0;
+                             }));
+                DownloadResultsLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadResultsLabel.Text += $"文件：{filename}，已存在\n";
+                             }));
+                break;
+            case DownloadState.noexisted:
+                DownloadResultsLabel.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 DownloadResultsLabel.Text += $"文件：{filename}，不存在\n";
+                             }));
+                break;
+        }
+    }
+
+    private async void OnBtnRecognitionExampleClicked(object sender, EventArgs e)
+    {
+        BtnRecognitionExample.IsEnabled = false;
+        TaskFactory taskFactory = new TaskFactory();
+        await taskFactory.StartNew(async () =>
+        {
+            TestAliParaformerAsrOfflineRecognizer();
+        });
+        BtnRecognitionExample.IsEnabled = true;
+    }
+
+    private async void OnBtnRecognitionFilesClicked(object sender, EventArgs e)
+    {
+        var customFileType = new FilePickerFileType(
+                new Dictionary<DevicePlatform, IEnumerable<string>>
+                {
+                    { DevicePlatform.iOS, new[] { "public.my.comic.extension" } }, // UTType values
+                    { DevicePlatform.Android, new[] { "audio/x-wav" } }, // MIME type
+                    { DevicePlatform.WinUI, new[] { ".cbr", ".cbz" } }, // file extension
+                    { DevicePlatform.Tizen, new[] { "*/*" } },
+                    { DevicePlatform.macOS, new[] { "cbr", "cbz" } }, // UTType values
+                });
+
+        PickOptions options = new()
+        {
+            PickerTitle = "Please select a comic file",
+            FileTypes = customFileType,
+        };
+
+
+        TaskFactory taskFactory = new TaskFactory();
+        await taskFactory.StartNew(async () =>
+        {
+            var fileResult = await PickAndShow(options);
+            string fullpath = fileResult.FullPath;
+            List<string> fullpaths = new List<string>();
+            fullpaths.Add(fullpath);
+            RecognizerFilesByAliParaformerAsrOffline(fullpaths);
+
+        });
+
+
+    }
+
+    public async Task<FileResult> PickAndShow(PickOptions options)
+    {
+        try
+        {
+            var result = await FilePicker.Default.PickAsync(options);
+            return result;
+        }
+        catch (Exception ex)
+        {
+            // The user canceled or something went wrong
+        }
+
+        return null;
+    }
+
+    public void CreateDownloadFile(string fileName)
+    {
+
+        var downloadFolder = FileSystem.AppDataDirectory + "/Download/";
+        Directory.CreateDirectory(downloadFolder);
+        var filePath = downloadFolder + fileName;
+        File.Create(filePath);
+    }
+
+    public AliParaformerAsr.OfflineRecognizer initAliParaformerAsrOfflineRecognizer(string modelName)
+    {
+        if (_offlineRecognizer == null)
+        {
+            try
+            {
+                string allModels = "AllModels";
+                string modelFilePath = SysConf.ApplicationBase + "/" + allModels + "/" + modelName + "/model.int8.onnx";
+                string configFilePath = SysConf.ApplicationBase + "/" + allModels + "/" + modelName + "/asr.yaml";
+                string mvnFilePath = SysConf.ApplicationBase + "/" + allModels + "/" + modelName + "/am.mvn";
+                string tokensFilePath = SysConf.ApplicationBase + "/" + allModels + "/" + modelName + "/tokens.txt";
+                _offlineRecognizer = new AliParaformerAsr.OfflineRecognizer(modelFilePath, configFilePath, mvnFilePath, tokensFilePath);
+            }
+            catch
+            {
+                DisplayAlert("Tips", "Please check if the model is correct", "close");
+            }
+        }
+        return _offlineRecognizer;
+    }
+
+    public void RecognizerFilesByAliParaformerAsrOffline(List<string> fullpaths)
+    {
+        string modelName = "speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx";
+        AliParaformerAsr.OfflineRecognizer offlineRecognizer = initAliParaformerAsrOfflineRecognizer(modelName);
+        if (offlineRecognizer == null) { return; }
+        AsrResults.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 AsrResults.Text = "正在识别，请稍后……";
+                             }
+                             ));
+        List<float[]>? samples = new List<float[]>();
+        TimeSpan total_duration = new TimeSpan(0L);
+        foreach (string fullpath in fullpaths)
+        {
+            string wavFilePath = string.Format(fullpath);
+            if (!File.Exists(wavFilePath))
+            {
+                continue;
+            }
+            AudioFileReader _audioFileReader = new AudioFileReader(wavFilePath);
+            byte[] datas = new byte[_audioFileReader.Length];
+            _audioFileReader.Read(datas, 0, datas.Length);
+            TimeSpan duration = _audioFileReader.TotalTime;
+            float[] wavdata = new float[datas.Length / 4];
+            Buffer.BlockCopy(datas, 0, wavdata, 0, datas.Length);
+            float[] sample = wavdata.Select((float x) => x * 32768f).ToArray();
+            samples.Add(sample);
+            total_duration += duration;
+        }
+        AsrResults.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 TimeSpan start_time = new TimeSpan(DateTime.Now.Ticks);
+                                 foreach (var sample in samples)
+                                 {
+                                     List<float[]> temp_samples = new List<float[]>();
+                                     temp_samples.Add(sample);
+                                     List<string> results = offlineRecognizer.GetResults(temp_samples);
+                                     foreach (string result in results)
+                                     {
+                                         Console.WriteLine(result);
+                                         Console.WriteLine("");
+                                         AsrResults.Text = string.Format("result:{0}\n", result);
+                                     }
+                                 }
+                                 TimeSpan end_time = new TimeSpan(DateTime.Now.Ticks);
+                                 double elapsed_milliseconds = end_time.TotalMilliseconds - start_time.TotalMilliseconds;
+                                 double rtf = elapsed_milliseconds / total_duration.TotalMilliseconds;
+                                 AsrResults.Text += string.Format("elapsed_milliseconds:{0}\n", elapsed_milliseconds.ToString());
+                                 AsrResults.Text += string.Format("total_duration:{0}\n", total_duration.TotalMilliseconds.ToString());
+                                 AsrResults.Text += string.Format("rtf:{1}\n", "0".ToString(), rtf.ToString());
+                                 AsrResults.Text += string.Format("End!");
+                             }));
+
+    }
+
+    public void TestAliParaformerAsrOfflineRecognizer(List<float[]>? samples = null)
+    {
+        string modelName = "speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-onnx";
+        AliParaformerAsr.OfflineRecognizer offlineRecognizer = initAliParaformerAsrOfflineRecognizer(modelName);
+        if (offlineRecognizer == null) { return; }
+        AsrResults.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 AsrResults.Text = "正在识别，请稍后……";
+                             }
+                             ));
+        TimeSpan total_duration = new TimeSpan(0L);
+        if (samples == null)
+        {
+            samples = new List<float[]>();
+            for (int i = 0; i < 1; i++)
+            {
+                string wavFilePath = string.Format(SysConf.ApplicationBase + "/AllModels/" + modelName + "/{0}.wav", i.ToString());
+                if (!File.Exists(wavFilePath))
+                {
+                    break;
+                }
+                AudioFileReader _audioFileReader = new AudioFileReader(wavFilePath);
+                byte[] datas = new byte[_audioFileReader.Length];
+                _audioFileReader.Read(datas, 0, datas.Length);
+                TimeSpan duration = _audioFileReader.TotalTime;
+                float[] wavdata = new float[datas.Length / 4];
+                Buffer.BlockCopy(datas, 0, wavdata, 0, datas.Length);
+                float[] sample = wavdata.Select((float x) => x * 32768f).ToArray();
+                samples.Add(sample);
+                total_duration += duration;
+            }
+        }
+        AsrResults.Dispatcher.Dispatch(
+                         new Action(
+                             delegate
+                             {
+                                 TimeSpan start_time = new TimeSpan(DateTime.Now.Ticks);
+                                 foreach (var sample in samples)
+                                 {
+                                     List<float[]> temp_samples = new List<float[]>();
+                                     temp_samples.Add(sample);
+                                     List<string> results = offlineRecognizer.GetResults(temp_samples);
+                                     foreach (string result in results)
+                                     {
+                                         AsrResults.Text = string.Format("result:{0}\n", result);
+                                     }
+                                 }
+                                 TimeSpan end_time = new TimeSpan(DateTime.Now.Ticks);
+                                 double elapsed_milliseconds = end_time.TotalMilliseconds - start_time.TotalMilliseconds;
+                                 double rtf = elapsed_milliseconds / total_duration.TotalMilliseconds;
+                                 Console.WriteLine("elapsed_milliseconds:{0}", elapsed_milliseconds.ToString());
+                                 Console.WriteLine("total_duration:{0}", total_duration.TotalMilliseconds.ToString());
+                                 Console.WriteLine("rtf:{1}", "0".ToString(), rtf.ToString());
+                                 Console.WriteLine("Hello, World!");
+                                 AsrResults.Text += string.Format("elapsed_milliseconds:{0}\n", elapsed_milliseconds.ToString());
+                                 AsrResults.Text += string.Format("total_duration:{0}\n", total_duration.TotalMilliseconds.ToString());
+                                 AsrResults.Text += string.Format("rtf:{1}\n", "0".ToString(), rtf.ToString());
+                                 AsrResults.Text += string.Format("End!");
+                             }
+                             ));
+
+    }
+}
+

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Resources/AppIcon/appicon.svg

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+    <rect x="0" y="0" width="456" height="456" fill="#F6F8F6" />
+</svg>

runtime/csharp/AliParaformerAsr/AliParaformerAsr.Examples.MauiApp/Resources/AppIcon/appiconfg.svg

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