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#ifndef _MultiSampledSpectrogram_h_
#define _MultiSampledSpectrogram_h_
/* MultiSampledSpectrogram.h
*
* Copyright (C) 2021-2023 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/>.
*/
#include "AnalyticSound.h"
#include "Graphics.h"
Thing_define (FrequencyBin, AnalyticSound) {
double v_getValueAtSample (integer isample, integer which, int unit) const
override;
};
#include "MultiSampledSpectrogram_def.h"
/*
A MultiSampledSpectrogram is a spectrogram that is evenly sampled in the frequency domain (on some possibly non-linear frequency scale).
Each "sample" is a FrequencyBin with real and imaginary values.
The original sound can be reconstructed from the data in the frequency bins.
*/
autoFrequencyBin FrequencyBin_create (double xmin, double xmax, integer nx, double dx, double x1);
void FrequencyBin_formula (FrequencyBin me, conststring32 formula, Interpreter interpreter);
double FrequencyBin_getValueAtX (FrequencyBin me, double x, kVector_valueInterpolation valueInterpolationType);
autoSound FrequencyBin_to_Sound (FrequencyBin me);
autoAnalyticSound FrequencyBin_to_AnalyticSound (FrequencyBin me);
void MultiSampledSpectrogram_init (MultiSampledSpectrogram me, double tmin, double tmax, double fmin, double fmax,
integer numberOfFrequencies, double df, double f1, double frequencyResolutionInBins);
void MultiSampledSpectrogram_formula (MultiSampledSpectrogram me, conststring32 formula, Interpreter interpreter);
void MultiSampledSpectrogram_formula_part (MultiSampledSpectrogram me, double fromTime, double toTime, double fromFrequency, double toFrequency, conststring32 formula, Interpreter interpreter);
void MultiSampledSpectrogram_paintInside (MultiSampledSpectrogram me, Graphics g, double tmin, double tmax, double fmin_hz, double fmax_hz, double dBRange);
integer MultiSampledSpectrogram_getNumberOfFrames (MultiSampledSpectrogram me);
void MultiSampledSpectrogram_getFrequencyBand (MultiSampledSpectrogram me, integer index, double *out_flow, double *out_fhigh);
#endif /* MultiSampledSpectrogram_h_ */
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