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Compression Code
The first word of format data specifies the type of compression used on the Wave data included in the Wave chunk found in this "RIFF" chunk. The following is a list of the common compression codes used today.
Code Description
0 (0x0000) Unknown
1 (0x0001) PCM/uncompressed
2 (0x0002) Microsoft ADPCM
6 (0x0006) ITU G.711 a-law
7 (0x0007) ITU G.711 ?-law
17 (0x0011) IMA ADPCM
20 (0x0016) ITU G.723 ADPCM (Yamaha)
49 (0x0031) GSM 6.10
64 (0x0040) ITU G.721 ADPCM
80 (0x0050) MPEG
65,536 (0xFFFF) Experimental
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