From WxWiki

[edit] Waveform (WAVE/WAV)

Part of Developers_Notebook-WAV-File Formats

|Offset|Count|Type |Description |Notes |0 |4 |wxByte |"RIFF" |Common to many MSW file types |4 |1 |wxUint32|File Size - 8| |8 |4 |wxByte |"WAVE" |Key indicator for WAVE files

   unsigned long nFmtSize = 16;
   unsigned short nFormat = 1 /*WAVE_FORMAT_PCM*/;
   Write((void*)"fmt ", 4, 1);
   Write(&nFmtSize, 4);
   //write WAVEFORMATEX

/*

   unsigned short	nFormat;             //...PCM

unsigned short nChannels; // 1 = mono 2 = stereo unsigned long nSamplesPerSec; //Sample Rate unsigned long nBytesPerSec; unsigned short nBlockAlign; unsigned short nBitsPerSample; //8, 16 ...

   *
       Invisible params:
       block align             = channels * bits/sample [/ 8|>> 3] 
       bytes per second            = sample rate * block align
       total time in seconds   = nPCMLength / bytesm per second
   *

• /

   Write(&nFormat, 2);
   Write(&nNumChannels, 2);
   Write(&nSampleRate, 4);
   Write(&nBytesPerSecond, 4);
   Write(&nBlockAlign, 2);
   Write(&nBitsPerSample, 2);

   //write data
   Write((void*)"data", 4, 1);
   Write(&nNumToWrite, 4);
   Write(pData, nNumToWrite, nNumChannels);