Fabio
c36510c21e
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22 lines
631 B
C++
22 lines
631 B
C++
#pragma once
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#include "engine/framework/audio/dsp.h"
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namespace engine::models::xtts_v2 {
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enum class MelPurpose { Conditioning, Speaker };
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// XTTS uses HTK frequency spacing, with Slaney area normalization only for
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// conditioning. The speaker frontend instead uses a periodic Hamming window.
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class MelFrontend {
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public:
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explicit MelFrontend(MelPurpose purpose);
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std::vector<float> compute(const std::vector<float> & pcm, size_t threads) const;
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private:
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MelPurpose purpose_;
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audio::STFTConfig stft_;
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std::vector<float> window_;
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audio::AudioTensor filterbank_;
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};
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} // namespace engine::models::xtts_v2
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