| s98 | NEC PC-98 Audio Data |
| sa2 | Surprise! AdLib Tracker v2 Song |
| saf | MusicMatch Jukebox Secure Audio File |
| sag | Sagem Phone Ringtone Data |
| sagem | Sagem Phone Ringtone Data |
| sap | Atari SAP Music |
| sat | Surprise! AdLib Tracker v1 Song |
| sb | Signed Byte Audio Data |
| sbi | Creative Labs Sound Blaster Instruments |
| sbk | EMU SoundFont v1.x Banks |
| sbnk | Nintendo DS Sound Bank Data |
| sbw | ScadaWorks Voice Wave Data |
| sc2 | Sample Cell II Instrument Data |
| sc68 | SC68 Music |
| scs11 | Show Cue System Cue |
| sd | Sound Designer Audio |
| sd2 | Sound Designer 2 Audio |
| sd2f | Sound Designer 2 Sound |
| sdat | Nitro Composer Sound Data |
| sdii | Sound Designer 2 Audio |
| sds | MIDI Sample Dump Standard |
| sdx | MIDI Sample Dump Exchange |
| seq | Akai MPC2500 Sequence Data |
| sf | IRCAM SoundFile |
| sf2 | EMU SoundFont v2.x Banks |
| sfa | Sonic Foundry Audio File |
| sfark | sfArk Compressed SoundFont |
| sfd | SoundStage Sound File Data |
| sfi | SoundStage Sound File Info |
| sfk | Sound Forge Peak Data |
