Gary

tWaveFmt.wFormatTag = WAVE_FORMAT_PCM;
tWaveFmt.nChannels = 1;
tWaveFmt.nSamplesPerSec = SAMPLERATE;
tWaveFmt.nAvgBytesPerSec = sizeof(short) * SAMPLERATE;
tWaveFmt.nBlockAlign = sizeof(short) ;
tWaveFmt.wBitsPerSample = 2 <<3;
tWaveFmt.cbSize = 0;

tWaveHdrP.lpData = (LPSTR) (pcWavBuff);
tWaveHdrP.dwBufferLength = dSize;
tWaveHdrP.dwFlags = WHDR_BEGINLOOP | WHDR_ENDLOOP; //重複播放必要的flag
tWaveHdrP.dwLoops = 100L; // 重複播放幾次

	goto err_out;
 
if (waveOutPrepareHeader(hWaveOutP, &WaveHdrP, sizeof(WAVEHDR)))
	goto err_out;
 
if (waveOutWrite(hWaveOutP, &WaveHdrP, sizeof(WAVEHDR)))
	goto err_out;