Files
2026-07-13 12:20:32 +08:00

29 lines
965 B
JavaScript

class OpenAiSTT {
constructor() {
if (!process.env.OPEN_AI_KEY) throw new Error("No OpenAI API key was set.");
const { OpenAI: OpenAIApi } = require("openai");
this.openai = new OpenAIApi({
apiKey: process.env.OPEN_AI_KEY,
});
this.model = process.env.STT_OPEN_AI_MODEL ?? "whisper-1";
}
/**
* Transcribes an audio buffer to text using the OpenAI STT service.
* @param {Buffer} audioBuffer - The audio buffer to be transcribed.
* @param {string} filename - Original filename, used to hint the audio container/codec to OpenAI.
* @returns {Promise<string>} The transcribed text.
*/
async transcribe(audioBuffer, filename = "audio.webm") {
const { toFile } = require("openai");
const file = await toFile(audioBuffer, filename);
const result = await this.openai.audio.transcriptions.create({
file,
model: this.model,
});
return result?.text ?? "";
}
}
module.exports = { OpenAiSTT };