AU Format Codes

18-bit μ-law G.711
28-bit linear
316-bit linear
424-bit linear
532-bit linear
6Floating point
7Double precision floating point
8Fragmented sample data
10DSP program
118-bit fixed point
1216-bit fixed point
1324-bit fixed point
1432-bit fixed point
1816-bit linear with emphasis
1916-bit linear compressed
2016-bit linear with emphasis and compression
21Music kit DSP commands
23ADPCM G.721
24ADPCM G.722
25ADPCM G.723.3
26ADPCM G.723.5
278-bit A-law G.711