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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /proc/self/root/usr/include/CLAM/ |
| Current File : //proc/self/root/usr/include/CLAM/SynthSineSpectrum.hxx |
/*
* Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program 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 program 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 program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _SynthSineSpectrum_
#define _SynthSineSpectrum_
#include <typeinfo>
#define MAINLOBE_TABLE_SIZE 4096 // Tablesize of the mainlobe of a BH92 Window
#include "Err.hxx"
#include "WindowGenerator.hxx"
#include "AudioMultiplier.hxx"
#include "Spectrum.hxx"
#include "SpectralPeakArray.hxx"
#include "Complex.hxx"
#include "Processing.hxx"
#include "SynthSineSpectrumConfig.hxx"
#include "InPort.hxx"
#include "OutPort.hxx"
namespace CLAM{
/**
* Configuration class for the SynthSineSpectrum Processing.
*/
/* SynthSineSpectrumConfig moved to SynthSineSpectrumConfig.hxx */
/**
* Processing which can synthesize a spectrum out of an
* array of spectral peaks.
* It does this by convolving the spectral peaks with the
* significant part of the fourier transformed Blackman-Harris92
* window, it's main lobe. WARNING: the do method changes the type of
* the output spectrum to complex regardless its original format. This
* behaviour may result in inconsistencies and should be taken into account.
*/
class SynthSineSpectrum:public Processing
{
InPort<SpectralPeakArray> mInput;
OutPort<Spectrum> mOutput;
public:
/* constructor/destructor */
SynthSineSpectrum();
SynthSineSpectrum(SynthSineSpectrumConfig& cfg);
~SynthSineSpectrum();
const char * GetClassName() const {return "SynthSineSpectrum";}
/* public member functions */
bool Do(const SpectralPeakArray& peakArray,Spectrum& residualSpectrumOut, double gain=1.0);
bool Do(void);
/** Configuration method */
bool ConcreteConfigure(const ProcessingConfig&);
const ProcessingConfig &GetConfig() const {return mConfig;}
private:
/* private member functions */
void InitSynthSpec(TSize size);
void FillSynthSineSpectrum(const SpectralPeakArray& peakArray,double gain = 1.0);
/* private configuration*/
SynthSineSpectrumConfig mConfig;
/* window table generation */
WindowGenerator mWndGen;
//Spectrum mBlackHarris92TransMainLobe;
static double mBlackHarris92TransMainLobe[];
/* internal buffer for synthesized sinusoidal spectrum */
Array< Complex > mSynthSineSpectrum;
};
};// CLAM namespace
#endif
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