wave.txt

wave format document

Wave file format

Header
4Byte RIFF
4Byte Trunk Size  = File Length - 8
4Byte WAVE

First Chunk : format
4Byte fmt<sp>  
4Byte Chunk Size = 0x10 0x00 0x00 0x00
2Byte Audio format = 0x01 0x00 Wave format
2Byte Channel Num = 0x01 0x00  1 channel = 0x02 0x00 2Channel
4Byte Sample rate = 0x40 0x1f 0x00 0x00 8000Hz = 0x22 0x56 0x00 0x00 22050Hz
4Byte Byte rate (bytes per second) = 0x80 0x3e 0x00 0x00 16000 = 0x88 0x58 0x01 0x00 88200
      = sample rate * block align

2Byte Block align = Channel num * (bit rate / 8)
2Byte Bit rate(bit per sample) = 0x10 0x00  16bit

optional:
2Byte extra param len
xbyte extra params

data trunk
4byte data
4byte chunk size (N)
Nbyte