📄 wave.txt
字号:
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
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