| bcstm | Nintendo 3DS BCSTM Audio |
| bcwav | Nintendo 3DS Banner Wave Audio |
| bd | Ben Daglish Music |
| bfstm | Mario Kart 8 Binary Cafe Stream Data |
| bfwav | Mario Kart 8 Binary Cafe Wave Data |
| bgw | Final Fantasy XI Music |
| bmm | Bleeper Music Maker Music |
| bmw | Buzz Music Without Waves |
| bmx | Buzz Music Data |
| bn4 | Yamaha DX100 Voice Data |
| bnk | Yamaha DX100 Voice Data |
| bonk | Bonk Audio |
| brr | SNES BRR Audio |
| brsar | BRSAR Audio Package |
| brstm | BRSTM Audio Stream |
| bse | Bedevilled Sound Engine File |
| bun | Cakewalk Bundle Data |
| bwf | Broadcast Wave Format Audio |
| bwg | BrainWave Generator Preset |
| bww | Bagpipe Music Score |
| c01 | Typhoon OS Voice Data |
| caf | Core Audio Format |
| caff | Core Audio Format |
| cda | CD Audio Track |
| cdda | CD Audio Track |
| cdg | CD+G Karaoke File |
| cdlx | Audition CD Layout |
| cel | Adobe Audition Loop |
| celt | FMOD CELT Compressed Audio |
| cfa | Adobe Premiere Conformed Audio |
