| asnd | Adobe Soundbooth Audio Data |
| at3 | Sony ATRAC3 Compressed Audio |
| atak | Soundscape Audio-Take Data |
| atp | Sony ATRAC3 Compressed Audio |
| atrac | Sony ATRAC3 Compressed Audio |
| atrac3 | Sony ATRAC3 Compressed Audio |
| au | Sun Audio File |
| aud | Command and Conquer Compressed Audio |
| avr | Audio Visual Research File |
| awb | Adaptive Multi-Rate WideBand Audio |
| axa | Annodex Audio File |
| ay | AY-3-8910 Music |
| aym | Z80 Music Code with AY Music |
| ayn | Ayona Compresed Music |
| azx | ZX Audio File |
| bbsong | Beepola Song |
| 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 |