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fix(dataset): Fix bug when make shard.list for *.flac #1933

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merged 1 commit into from
Aug 1, 2023
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fix(dataset): Fix bug when make shard.list for *.flac #1933

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15 changes: 13 additions & 2 deletions tools/make_shard_list.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,10 +50,21 @@ def write_tar_file(data_list,
suffix = wav.split('.')[-1]
assert suffix in AUDIO_FORMAT_SETS
if no_segments:
# read & resample
ts = time.time()
with open(wav, 'rb') as fin:
data = fin.read()
audio, sample_rate = sox.load(wav, normalize=False)
if sample_rate != resample:
audio = torchaudio.transforms.Resample(
sample_rate, resample)(audio)
read_time += (time.time() - ts)
# change format to wav
ts = time.time()
f = io.BytesIO()
sox.save(f, audio, resample, format="wav", bits_per_sample=16)
suffix = "wav"
f.seek(0)
data = f.read()
save_time += (time.time() - ts)
else:
if wav != prev_wav:
ts = time.time()
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