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bug in calculate the energy in FastSpeechSTFT #21

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ease-zh opened this issue Mar 17, 2023 · 0 comments
Open

bug in calculate the energy in FastSpeechSTFT #21

ease-zh opened this issue Mar 17, 2023 · 0 comments

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@ease-zh
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ease-zh commented Mar 17, 2023

I think here is a bug in audio/stft.py: 252
energy = np.sqrt(np.exp(mel) ** 2).sum(-1)
This code did nothing but just sum the abs of the np.exp(mel), while we expect it to calculate the sum before the sqrt.
The correct code should be
energy = np.sqrt((np.exp(mel) ** 2).sum(-1))
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