Запись звука с микрофона

#include <iostream>
#include <windows.h>
#include <mmsystem.h>
#include <fstream>
 
#pragma comment(lib,"winmm.lib") 
 
 
using namespace std;
 
const int NUMPTS = 44100 * 2 * 5;   // 5 seconds
int sampleRate = 44100;
short int waveIn[NUMPTS];
 
 
void main()
{
 
    WAVEFORMATEX pFormat;
    pFormat.wFormatTag = WAVE_FORMAT_PCM;     // simple, uncompressed format
    pFormat.nChannels = 2;                    //  1=mono, 2=stereo
    pFormat.wBitsPerSample = 16;              //  16 for high quality, 8 for telephone-grade
    pFormat.nSamplesPerSec = sampleRate;
    pFormat.nAvgBytesPerSec = sampleRate * pFormat.nChannels * pFormat.wBitsPerSample / 8;
    pFormat.nBlockAlign = pFormat.nChannels * pFormat.wBitsPerSample / 8;
    pFormat.cbSize = 0;
 
    HWAVEIN hWaveIn;
    WAVEHDR waveInHdr;
 
    waveInOpen(&hWaveIn, WAVE_MAPPER, &pFormat, 0L, 0L, WAVE_FORMAT_DIRECT);
 
    waveInHdr.lpData = (LPSTR)waveIn;
    waveInHdr.dwBufferLength = NUMPTS * 2;
    waveInHdr.dwBytesRecorded = 0;
    waveInHdr.dwUser = 0L;
    waveInHdr.dwFlags = 0L;
    waveInHdr.dwLoops = 0L;
 
    waveInPrepareHeader(hWaveIn, &waveInHdr, sizeof(WAVEHDR));
 
    waveInAddBuffer(hWaveIn, &waveInHdr, sizeof(WAVEHDR));
 
 
    waveInStart(hWaveIn);
 
 
    // Wait until finished recording
    do {} while (waveInUnprepareHeader(hWaveIn, &waveInHdr, sizeof(WAVEHDR)) == WAVERR_STILLPLAYING);
 
    waveInClose(hWaveIn);
}