| sco | CSound Score Data |
| scs11 | Show Cue System Cue |
| sd | Sound Designer Audio |
| sd2f | Sound Designer 2 Sound |
| sdat | Nitro Composer Sound Data |
| sdb | Herbulot AdLib System Audio |
| sdc | BigPond Music Song |
| sdif | Sound Description Interchange Format |
| sdii | Sound Designer 2 Audio |
| sdk | Roland S-550 Disk Image |
| sds | MIDI Sample Dump Standard |
| sdx | MIDI Sample Dump Exchange |
| seq | Akai MPC2500 Sequence Data |
| seq | Notator SL Sequence |
| seq | Sony PlayStation MIDI Sequence |
| 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 |
| sfil | Macintosh System Sound Data |
| sfk | Modem Spy Recorded Audio |
| sfk | Sound Forge Peak Data |
| sfl | Sound Forge Audio Data |
| sfpack | SFPack Compressed SoundFont |
| sfr | Sonic Foundry Sample Resource |
| sfx | SoundFX Audio File |
| sga | Self-Guard Security Camera Audio |
| sgt | Microsoft DirectMusic Producer Segments Data |
| sgw | n-Track Packed Song |
| shn | Shorten Compressed Audio |
| sid | Commodore 64 Music |
| sip | Scopetrax Compressed Sample |
| sj_ | SuperJAM Compressed Audio |
| skyt | SKYT Packer Module |
| sma | SmartMusic Accompaniment |
| smf0 | Standard Midifile Type 0 |
| smf1 | Standard Midifile Type 1 |
| smp | SampleVision Audio Sample |
| sn | Sound Club Compressed Song |
| sn2 | Sound Club v2 Song |
| snc | Sonarc Compressed Audio |
| snd | Macintosh Sound Resource |
| snda | Aleph One Sound File |
| sndh | Atari ST Audio Data |
| sndr | Sounder Audio Data |
| sndt | SndTool Audio File |
| sng | DeskMate Audio Data |
| sng | Faust Music Creator Music |
| sng | Korg Trinity Song |
| sng | n-Track Recorded Song |
| sng | SNGPlay Song Data |
| sngw | Devil May Cry 4 Audio Data |
| sngx | ChordWizard Songtrix Song |
| snsf | SNES Sound Format File |
| snu | Dead Space Game Audio Data |
| so3 | SoundBlaster Studio MP3 Audio |
| son | Notator SL Song |
| son | SBStudio II Song |
| sonic | Sonic Arranger Audio |
| sop | NOTE Music Tracker Song |
| sou | SBStudio II Sound File |
| sou | SoundBlaster Studio Audio Data |
| sox | SoX Uncompressed PCM Audio |
| spc | SpchComp Encoded Speech Data |
| spc | Super Nintendo Audio Data |
| spj | Digitrax SoundFX Project |
| spl | Digitrakker Music Sample |
| spm | StoneTracker Music Module |
| sppack | SPPack Sound Sample |
| sps | StoneTracker Audio Sample |
| spu | Sony Playstation Audio Data |
| spx | Speex Compressed Audio |
| sq | Sony Playstation 2 SCEI Sequence |
| sqt | Technics SX-KN6000 Sequence Data |
| sri | Dragon NaturallySpeaking Audio File |
| srt | Siemens C60 Mobile Phone Ringtone |
| sseq | Nintendo DS Sound Data |
| ssf | Sega Saturn Audio Data |
| ssnd | Synclavier Sound |
| st | Scream Tracker Instrument Library |
| stem | Native Instruments Stems Audio Data |
| stk | Soundtracker Music |
| stm | Scream Tracker Module |
| strm | Nintendo DS Audio Stream |
| struma | Strum Acoustic GS-1 Exchange Data |
| strume | Strum Electric GS-1 Exchange Data |
| sts | Scream Tracker Song |
| stx | Yamaha XG Works Midi Style Definition |
| sty | Microsoft DirectMusic Producer Style Data |
| stz | Scream Tracker 2 Module |
| sun | SUNTronic Music Module |
| svd | Roland Saved Patches |
| svq | Roland MC-80 Music Sequence |
| svx | Amiga 8SVX Sound |
| sw | Signed Word Audio File |
| swa | Shockwave Audio |
| swav | Nintendo DS Waveform Audio |
| swc | Spanish Whiz Conversation Audio |
| swd | Spanish Whiz Dictation Audio |
| sws | Spanish Whiz Sound Data |
| swv | Yamaha Sweet! Voices Audio Data |
| sxq | MPC Midi Sequence |
| sxt | Propellerheads Reason NN-XT Format Data |
| sy1 | Synth1 Sound Bank |
| syh | Synchomatic Instrument |
| syn | SimSynth Audio Data |
| syn | Synergy On Air Audio |
| syw | Yamaha SY Series Sample |
| t3a | Yamaha DTX900 Drum Kit Data |
| tak | TAK Compressed Audio |
| tfe | TFM Music Maker Music |
| tfi | TFM Music Maker Instruments Data |
| tfmx | Final Musicsystem EXtended Module |
| thd | Dolby TrueHD Audio Stream |
| thx | Amiga THX Tracker Music |
| tir | TuneIn Radio Recording Stream |
| tjs | Trackjoy GUS Tracker Song |
| tkm | Panasonic SD Voice Editor Data |
| tl | OpenTL Data |
| tlsd | Digitech Trio Plus Sample Data |
| tm2 | Theta Music Composer v2 Audio |
| tm8 | Theta Music Composer v1 Audio |
| tmc | Theta Music Composer v1 Audio |
| toc | Sony PSP Audio Data |
| tpw | TutorPro Packed Wave Data |
| trk | Mixman Studio Audio Track |
| tsh | Cenix True Speech HQ Audio |
| tsl | Cenix True Speech LQ Audio |
| tsp | TrueSpeech Compressed Audio |
| tta | True-Audio Compressed Audio |
| tvd | Yamaha Tyros 2 Custom Drum Voice |
| tvml | TV NOW Portable Video Recorder Audio |
| tvn | Yamaha Tyros 2 Voice Data |
| twv | VCM-ROM Linker Voice Data |
| txt | Steinberg LM-4 Audio Bank Data |
| txw | Yamaha TX16W Audio |
| ub | Unsigned Byte Audio |
| uds | Bitheadz Unity DS-1 Data |
| udw | Raw Unsigned DoubleWord Audio |
| ulaw | U-Law Compressed Audio File |
| ult | UltraTracker Music Module |
| uni | MikMod UniMOD Music Module |
| unic | UNIC Tracker Sound Module |
| userkit | DrumCore Audio |
| usf | Nintendo 64 Song |
| usflib | Nintendo 64 Song Library |
| usm | Farandole Composer Unsigned Sample |
| ust | UTAU Synth Vocal Track |
| ustx | OpenUTAU Synth Vocal Data |
| usv | Yamaha Electone HS User Voice |
| uva | DECE Audio Data |
| uvd | Yamaha Tyros Drum Voice Data |
| uvn | Yamaha Tyros Audio |
| uvo | Sanyo Katana DLX Recorded Voice |
| uw | Unsigned Word RAW Audio Data |
| uwf | UltraTracker Wave File |
| v2m | V2 Synthesizer Audio |
| v8 | Covox 8-bit Audio Data |
| vab | Sony PlayStation Sound Bank |
| vag | Sony Playstation Compressed Audio |
| val | Olympus Voice Recorder Audio |
| vap | Annotated Speech Data |
| vap | Dialogic Indexed Voice Audio |
| vb | Sony Playstation Wave Bank Body |
| vbk | CallPilot Audio Data |
| vbs | MAZ Sound VSampler Audio Bank |
| vc | Sonarc Compressed VOC Audio |
| vc3 | MAZ Sound VSampler 3 Soundbank |
| vdj | VirtualDJ Audio Sample |
| vdjsample | VirtualDJ Sample Data |
| vgm | Video Game Music |
| vgm7z | 7-Zipped VGM Music |
| vgz | GZip Compressed VGM |
| vh | Sony Playstation Wave Bank Header |
| vic | Yamaha PSR-9000 Custom Voice |
| vif | TomTom Navigator Voice Data |
| vital | Vital Synthesizer Preset |
| vitalbank | Vital Synthesizer Bank Data |
| vm1 | Panasonic VM1 Voice Data |
| vmd | Covox Raw Sample |
| vmo | Siemens Voice Memo |
| voc | Creative Labs Sound Blaster Sound |
| vog | Yamaha SFG-05 Voice Data |
| voi | Voyetra Digital Orchestrator Pro Voice |
| vox | Adobe Audition Audio Wave Data |
| vox | Dialogic ADPCM Audio |
| vox | Express Scribe Dictation Data |
| vox | SuperVoice Voice Data |
| vox | VoxWare Dialogic Audio Data |
| vp | VOCPACK Lossless Compressed Audio |
| vpm | Garmin Voice Data |
| vpw | VoxPro Wave File |
| vqf | TwinVQ Audio |
| vr8 | Roland VS-840 Recorded Audio |
| vrf | Ventrilo Audio Recording |
| vs3 | MAZ Sound VSampler 3 Library |
| vsb | MAZ Sound VSampler 2 Library |
| vsi | MAZ Sound VSampler Instrument Data |
| vsnd_c | Valve Source 2 Compiled Audio Data |
| vtx | Vortex Audio |
| vtx | VTX Chiptune Audio |
| vwd | Cubig Digital Recorder Sound |
| vyf | Samsung Digital Voice Recorder Audio |
| w00 | Roland V-Synth Waveform Data |
| w2v | Yamaha Motif Voice Data |
| w3e | Yamaha Motif ES Voice Editor Data |
| w4ksnd | Wusik 4000 Instrument Data |
| w64 | Sony Wave64 Audio |
| w7a | Yamaha Motif ES Audio Data |
| w7e | Yamaha Motif ES Library Data |
| w7p | Yamaha MO8 User Pattern Data |
| w7v | Yamaha Motif ES Voice Data |
| wa | WavArc Compressed Audio |
| wa0 | Magix Music Studio Data |
| waptt | WhatsApp Messenger Recorded Voicemail |
| wav | Windows Waveform Sound |
| wax | Windows Media Audio Redirector |
| wbnk | Music Composer Instruments Data |
| weba | WebM Audio |
| wem | Wwise Encoded Media |
| wfb | Turtle Beach Wavefront MIDI Bank |
| wfd | Turtle Beach Wavefront Drum Set |
| wfp | Turtle Beach Wavefront Patch |
| wma | Windows Media Audio |
| wow | Grave Composer Music Module |
| wpk | Nero WaveEditor Audio Data |
| wrf | Westacott WinRanX Instrument Data |
| wrk | Cakewalk Pro Audio Data |
| wsa | WebSynth Audio Data |
| wsq | UTAU Sequence Data |
| wsr | Bandai WonderSwan Audio Data |
| wtpt | WireTap Studio Packaged Track |
| wus | WUTG Tagged Audio |
| wusikpack | Wusikstation Sound Package |
| wusiksnd | Wusikstation Sound Data |
| wv | WavPack Compressed Audio |
| wvc | Wavecraft Audio |
| wve | Psion 8-bit A-law Audio |
| wvz | MUST Music |
| wwv | WildTangent WAV Audio |
| wyz | WYZTracker Song |
| x-ape | JRiver Media Center APE Audio |
| x0a | Yamaha Motif XS Song Data |
| x0e | Yamaha Motif XS Editor File |
| x0p | Yamaha Motif XS Pattern Data |
| x0s | Yamaha Motif XS Song Data |
| x0v | Yamaha Motif XS Voice Data |
| x3a | Yamaha Motif XF Song Data |