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/*
libaudiomask - hybrid simultaneous audio masking threshold evaluation library
Copyright (C) 2000-2010 Dr Matthew Raphael Flax
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <math.h>
#include "MooreSpread.H"
MooreSpread::
MooreSpread(int fBankCount){
// std::cout<<"MooreSpread: init"<<std::endl;
bankCount=fBankCount;
memory=NULL;
spread=NULL;
centreFreqs=NULL;
if (!(spread=new double*[bankCount]))
std::cerr <<"MooreSpread: spread malloc 1: Out of memory"<<std::endl;
else{
if (!(memory=new double[(1+bankCount)*bankCount]))
std::cerr <<"MooreSpread: spread malloc 2: Out of memory"<<std::endl;
for (int i=0;i<bankCount;i++)
spread[i]=&memory[i*bankCount];
}
centreFreqs=&memory[bankCount*bankCount];
//std::cerr<<"MooreSpread: init .... done "<<spread<<std::endl;
}
MooreSpread::
~MooreSpread(void){
// std::cout<<"MooreSpread: deinit"<<std::endl;
if (memory) delete [] memory;
memory=NULL;
//std::cerr<<spread<<std::endl;
if (spread) delete [] spread;
spread=NULL;
// std::cerr<<spread<<std::endl;
//std::cout<<"MooreSpread: deinit exit"<<std::endl;
}
//#include <fstream>
void MooreSpread::
excite(double **filterBankOutput, int sampleCount, int sampleFreq){
// The factor to mult by to find the frequency in the filtered signal
// double factor=((double)sampleFreq/2.0)/((double)sampleCount/2.0);
double factor=((double)sampleCount)/(double)sampleFreq;
int binOfInterest;
// std::cout <<"MooreSpread: excite: factor: "<<factor<<std::endl;
// ofstream temp("temp.dat");
//ofstream temp1("temp1.dat");
for (int i=0; i<bankCount;i++){
binOfInterest=(int)rint(centreFreqs[i]*factor);
// std::cout <<i<<" center freq. " <<centreFreqs[i]<<" binOfInterest: "<<binOfInterest<<std::endl;
for (int j=0;j<bankCount;j++){
spread[i][j]=filterBankOutput[j][binOfInterest];
//temp <<10*log10(spread[i][j])<<'\t';
// temp <<20*log10(spread[i][j])<<'\t';
//temp1 <<10*log10(filterBankOutput[j][binOfInterest]+1.001)<<'\t';
//std::cout <<spread[i][j]<<" ";
}
//temp <<std::endl;
//temp1 <<std::endl;
}
}
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