📄 adpcm.txt
字号:
Wave file format
Header
4Byte RIFF
4Byte Trunk Size = File Length - 8
4Byte WAVE
(12B 12B)
First Chunk : format
4Byte fmt<sp>
4Byte Chunk Size = 0x14 0x00 0x00 0x00
2Byte Audio format = 0x11 0x00 ADPCM 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) = 0xd7 0x0f 0x00 0x00
(20B 32B)
2Byte Block align = 0x00 0x01 256 bytes
2Byte Bit rate(bit per sample) = 0x04 0x00 4bit
(4B 36B)
optional:
2Byte extra param len 0x02 0x00 2 bytes
1Byte 0xf9
1Byte 0x01
data trunk
4byte data
4byte chunk size (N)
Nbyte
fact chunk
4byte fact
4byte length
data - 21 BA 06 00
List chunk
4byte LIST
4byte chunk size
data
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -