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wdsp/third_party/libspecbleach/src/shared/post_estimation/spectral_whitening.h
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Uladzimir Karpenka 89c8a0e2b5 first commit
2026-06-01 15:58:45 +03:00

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/*
libspecbleach - A spectral processing library
Copyright 2022 Luciano Dato <lucianodato@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SPECTRAL_WHITENER_H
#define SPECTRAL_WHITENER_H
#include <stdint.h>
typedef struct SpectralWhitening SpectralWhitening;
SpectralWhitening* spectral_whitening_initialize(uint32_t fft_size);
void spectral_whitening_free(SpectralWhitening* self);
void spectral_whitening_get_weights(SpectralWhitening* self,
float whitening_factor,
const float* noise_profile,
float* weights_out);
#endif