| bmm | Bleeper Music Maker Music |
| bmw | Buzz Music Without Waves |
| bmx | Buzz Music Data |
| bn4 | Yamaha DX100 Voice Data |
| bnk | Wwise Sound Bank Data |
| bnk | Yamaha DX100 Voice Data |
| bonk | Bonk Audio |
| bp | SoundMon 2.0 Music Data |
| brr | SNES BRR Audio |
| brsar | BRSAR Audio Package |
| brstm | BRSTM Audio Stream |
| bse | Bedevilled Sound Engine File |
| bun | Cakewalk Bundle Data |
| bwav | Broadcast Wave Format Audio |
| 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 |
| cel | Adobe Audition Loop |
| cel | NI Battery Drum Cell Data |
| celp | CELP Compressed Audio |
| celt | FMOD CELT Compressed Audio |
| cfa | Adobe Premiere Conformed Audio |
| cff | BoomTracker 4.0 Song |
| cfxr | Cocoa Sfxr Audio Data |
| ckb | Cricket Audio Bank File |
| ckf | Casio WK-3000 Keyboard File |
| cks | Cricket Audio Stream |
| cmf | Creative Labs Music File |
| cmf | SoundFX Macs Opera Tracker Music |
