pur.cpp
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#include <iostream>
#include "wavdata.h"
#include "fft.h"
#include <math.h>
#define FREQ 48000
#define AMPLITUDE 10
#define FREQDO 261
#define FREQLA 440
#define SIZE FREQ*10
int main(int argc, char **argv)
{
float pi=3.141592;
WavData w;
char *data = new char[SIZE];
char *data2 = new char[SIZE];
int i;
for(i=0;i<SIZE;i++){
float w=2.0*3.14*FREQLA;
float t=(float)i/FREQ;
data[i]=AMPLITUDE*(1+sin(w*t));
}
w.setAudioFormat(1);
w.setNbrChanel(1);
w.setFrequency(FREQ);
w.setBytePerBloc(4);
w.setBytePerSec(FREQ);
w.setBitsPerSample(8);
w.clearData();
w.setDatasize(SIZE);
w.setData(data);
w.save("purla.WAV");
}