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#ifndef _Sound_and_Spectrogram_extensions_h_
#define _Sound_and_Spectrogram_extensions_h_
/* Sound_and_Spectrogram_extensions.h
*
* Copyright (C) 2014-2015,2023 David Weenink
*
* This code is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This code 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this work. If not, see <http://www.gnu.org/licenses/>.
*/
/*
djmw 20140914
*/
#include "Spectrogram_extensions.h"
#include "Pitch.h"
#include "Sound.h"
autoBarkSpectrogram Sound_to_BarkSpectrogram (Sound me, double analysisWidth, double dt,
double f1_bark, double fmax_bark, double df_bark);
/*
Filtering with filters on a Bark scale as defined by
Andrew Sekey & Brian Hanson (1984), "Improved 1-Bark bandwidth
"auditory filter", Jasa 75, 1902-1904.
Although not explicitly stated the filter function is defined in the
power domain.
10 log F(z) = 15.8 + 7.5(z + 0.5) - 17.5 * sqrt(1 + (z + 0.5)^2)
*/
autoMelSpectrogram Sound_to_MelSpectrogram (Sound me, double analysisWidth, double dt,
double f1_mel, double fmax_mel, double df_mel);
autoSpectrogram Sound_to_Spectrogram_pitchDependent (Sound me, double analysisWidth,
double dt, double f1_hz, double fmax_hz, double df_hz, double relative_bw,
double pitchFloor, double pitchCeiling);
autoSpectrogram Sound_Pitch_to_Spectrogram (Sound me, Pitch thee,
double analysisWidth, double dt, double f1_hz, double fmax_hz,
double df_hz, double relative_bw);
autoSound BandFilterSpectrograms_crossCorrelate (BandFilterSpectrogram me, BandFilterSpectrogram thee, enum kSounds_convolve_scaling scaling, enum kSounds_convolve_signalOutsideTimeDomain signalOutsideTimeDomain);
autoSound BandFilterSpectrograms_convolve (BandFilterSpectrogram me, BandFilterSpectrogram thee, enum kSounds_convolve_scaling scaling, enum kSounds_convolve_signalOutsideTimeDomain signalOutsideTimeDomain);
#endif /* _Sound_and_Spectrogram_extensions_h_ */
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