C / C++ / MFC

	<br />
struct<br />
{<br />
	WORD wFormatTag; // Format category<br />
	WORD wChannels; // Number of channels<br />
	DWORD dwSamplesPerSec; // Sampling rate<br />
	DWORD dwAvgBytesPerSec; // For buffer estimation<br />
	WORD wBlockAlign; // Data block size<br />
} FormatChunk;<br />
<br />
	char ch[1];<br />
	CFile waveFile;<br />
	if(waveFile.Open(wavName,CFile::modeRead|CFile::typeBinary)==FALSE)<br />
	{<br />
		TRACE("Error opening file");<br />
		return NULL;<br />
	}<br />
<br />
	//read till we get to the start of above chunk header<br />
	while(1)<br />
	{<br />
		waveFile.Read(ch,1);<br />
		TRACE("%c\n",ch[0]);<br />
		if(ch[0] == 'E')<br />
			break;<br />
	}<br />
<br />
	waveFile.Read(&FormatChunk,sizeof(FormatChunk));<br />
<br />
	DWORD temp = FormatChunk.dwAvgBytesPerSec;<br />
	//FormatChunk.dwAvgBytesPerSec holds the sampling rate <br />
	TRACE("Sampling rate is : %ld\n",temp);<br />
	TRACE("wChannels is : %0.2d\n",FormatChunk.wChannels);<br />
//	TRACE("format tag is : %s\n",FormatChunk.wFormatTag);<br />
<br />
	waveFile.Close();<br />
	return temp;