31 lines
929 B
Python
31 lines
929 B
Python
from funasr import AutoModel
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chunk_size = 200 # ms
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model = AutoModel(model="fsmn-vad", model_revision="v2.0.4", disable_update=True)
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import soundfile
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wav_file = "tests/vad_example.wav"
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speech, sample_rate = soundfile.read(wav_file)
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chunk_stride = int(chunk_size * sample_rate / 1000)
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cache = {}
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total_chunk_num = int(len((speech) - 1) / chunk_stride + 1)
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for i in range(total_chunk_num):
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speech_chunk = speech[i * chunk_stride : (i + 1) * chunk_stride]
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is_final = i == total_chunk_num - 1
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res = model.generate(
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input=speech_chunk,
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cache=cache,
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is_final=is_final,
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chunk_size=chunk_size,
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disable_pbar=True,
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)
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if len(res[0]["value"]):
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print(res)
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print(f"len(speech): {len(speech)}")
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print(f"len(speech_chunk): {len(speech_chunk)}")
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print(f"total_chunk_num: {total_chunk_num}")
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print(f"generateconfig: chunk_size: {chunk_size}, chunk_stride: {chunk_stride}")
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