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from local_whisper.audio import DEFAULT_SAMPLE_RATE, load_audio
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def test_audio(sample_audio):
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print(sample_audio)
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with open(sample_audio, mode="rb") as f:
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audio = load_audio(f)
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# Assert Mono
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assert audio.ndim == 1
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# Test the file length is appropriate size
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assert DEFAULT_SAMPLE_RATE * 8 < audio.shape[0] < DEFAULT_SAMPLE_RATE * 12
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# Taking the standard diviation of audio data can be used to check
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# Amplitude Variability, Noise Detection, or Normalization. Hear we just want
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# to make certain it does not contain a lot of noise.
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assert 0 < audio.std() < 1
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