An enum containing different compression types.
This enum is used within the AudioImporter to define what type of compression will be used for an imported AudioClip.
| PCM | Uncompressed pulse-code modulation. | 
| Vorbis | Vorbis compression format. | 
| ADPCM | Adaptive differential pulse-code modulation. | 
| MP3 | MPEG Audio Layer III. | 
| VAG | Sony proprietary hardware format. | 
| HEVAG | Sony proprietory hardware codec. | 
| XMA | Xbox One proprietary hardware format. | 
| AAC | AAC Audio Compression. | 
| GCADPCM | Nintendo ADPCM audio compression format. | 
| ATRAC9 | Sony proprietary hardware format. |