wehub-resource-sync
64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
#!/usr/bin/env python3 -u
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# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This source code is licensed under the MIT license found in the
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# LICENSE file in the root directory of this source tree.
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"""
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get intervals from .vads file, specify output data, and this script removes silences and saves the audio data in out path folder
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paths=shards/train.tsv
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vads=shards/train.vads
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python remove_silence.py --paths $paths --vads $vads
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"""
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import os
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import argparse
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import torch
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import torchaudio
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import tqdm
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parser = argparse.ArgumentParser()
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parser.add_argument("--tsv", default="", type=str)
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parser.add_argument("--vads", default="", type=str)
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parser.add_argument("--out", type=str)
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params = parser.parse_args()
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# load paths
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paths = []
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with open(params.tsv) as f:
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root = next(f).rstrip()
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for line in f:
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paths.append(os.path.join(root, line.rstrip().split("\t")[0]))
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# load vads
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list_intervals = []
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with open(params.vads) as f:
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for line in f:
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interval = [
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[int(w.split(":")[0]), int(w.split(":")[1])] for w in line.rstrip().split()
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]
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list_intervals.append(interval)
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# load audio and keep only intervals (i.e. remove silences)
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for i in tqdm.trange(len(paths)):
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data, _ = torchaudio.load(paths[i])
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if len(list_intervals[i]) > 0:
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data_filtered = torch.cat(
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[data[0][int(it[0]) : int(it[1])] for it in list_intervals[i]]
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).unsqueeze(0)
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else:
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data_filtered = data
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# YOU MAY NEED TO MODIFY THIS TO GET THE RIGHT SUBPATH
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# outpath = params.out + '/'.join(paths[i].split('/')[-1])
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outpath = params.out + "/" + "/".join(paths[i].split("/")[-2:])
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if not os.path.isdir("/".join(outpath.split("/")[:-1])):
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os.makedirs("/".join(outpath.split("/")[:-1]))
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if not os.path.exists(outpath):
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torchaudio.save(outpath, data_filtered, sample_rate=16000)
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else:
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print(outpath, "exists!")
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