"Audio File Formats"

Below is a comprehensive list of audio and music file formats, sorted by file extension. It includes a brief description of the file format and the name of a program that first used the files or is commonly used to create, edit or play them. If a technical specification or programming information is available for a file format, it can be viewed by clicking on the Spec (available on The Sonic Spot) or Spec (available on a remote site) links.

Ext. Description Software
669 Composer 669 module Composer 669
669 UNIS Composer module  
AIFC Compressed Audio Interchange Format File  
AIFF Audio Interchange Format File Spec  
AIS Velvet Studio Instrument  
  Akai sampler disk and file formats Spec, Spec  
AKP Akai S5000/S6000 Program File Spec  
ALAW Raw A-law data  
AMS Extreme Tracker Module  
AMS Velvet Studio Module  
APEX AVM Sample Studio bank  
ASE Velvet Studio Sample  
ASF Microsoft Advanced Streaming Format Spec Windows Media Player
ASX Microsoft Advanced Streaming Format Metafile Spec Windows Media Player
AU Sun/Next Audio File (linear m-law or A-law)  
AVI Microsoft Audio Video Interleave File  
AVR Audio Visual Research sound file  
C01 Typhoon wave file  
CDA CD Audio Track  
CDR Raw Audio-CD data  
CMF Creative Labs Music File  
DCM DCM Module  
DEWF Macintosh SoundCap/SoundEdit recorder instrument  
DF2 Defractor 2 Extended Instrument Defractor
DFC Defractor Instrument Defractor
DIG Digilink format  
DIG Sound Designer I audio  
DLS Downloadable Sounds Spec  
DMF Delusion Digital Music File  
DSF Delusion Digital Sound File  
DSM Digital Sound module  
DSP Dynamic Studio Professional module  
DTM DigiTrekker module  
DWD DiamondWare Digitized audio  
EDA Ensoniq ASR disk image  
EDE Ensoniq EPS disk image  
EDK Ensoniq KT disk image  
EDQ Ensoniq SQ1/SQ2/KS32 disk image  
EDS Ensoniq SQ80 disk image  
EDV Ensoniq VFX-SD disk image  
EFA Ensoniq ASR file  
EFE Ensoniq EPS family instrument  
EFK Ensoniq KT file  
EFQ Ensoniq SQ1/SQ2/KS32 file  
EFS Ensoniq SQ80 file  
EFV Ensoniq VFX-SD file  
EMB Everest embedded bank file  
EMD ABT Extended module  
ESPS ESPS audio file  
EUI Ensoniq EPS family compacted disk image  
F32 Raw 32-bit IEEE floating point waveform values  
F64 Raw 64-bit IEEE floating point waveform values  
F2R Farandoyle Linear module  
F3R Farandoyle Blocked Linear module  
FAR Farandoyle Composer module  
FFF Gravis UltraSound PnP bank  
FSM Farandoyle Composer WaveSample  
FZB Casio FZ-1 Bank dump  
FZF Casio FZ-1 Full dump  
FZV Casio FZ-1 Voice dump  
G721 Raw CCITT G.721 4bit ADPCM format data  
G723 Raw CCITT G.723 or 5bit ADPCM format data  
G726 Raw CCITT G.726 2, 3, 4 or 5bit ADPCM format data  
GIG GigaSampler file  
GKH Ensoniq EPS (VFX, SD, EPS, ASR, TS) family disk image  
GSM Raw GSM 6.10 audio stream or raw 'byte aligned' GSM 6.10 audio stream  
GSM US Robotics voice modems GSM QuickLink/VoiceGuide/RapidComm  
IFF Interchange Format File  
INI Gravis UltraSound bank setup extract plus patch files  
INS Ensoniq instrument  
INS Sample Cell/II instrument  
IT Impulse Tracker module Impulse Tracker
ITI Impulse Tracker instrument Impulse Tracker
ITS Impulse Tracker sample Impulse Tracker
K25 Kurzweil K2500 (identicle to KRZ)  
K26 Kurzweil K2600 (identicle to KRZ)  
KMP Korg Trinity KeyMap  
KRZ Kurzweil K2000  
KSC Korg Trinity Script  
KSF Korg Trinity Sample File  
MAT Matlab variables binary  
MED MED/OctaMED module  
MID Standard MIDI song/track information Spec, Spec  
MOD Amiga SoundTracker / Protracker / NoiseTracker / Fastracker / Startrekker / TakeTracker module  
MPEG-1 (Moving Picture Experts Group) Audio Layer I, II and III compressed audio Winamp
MT2 MadTracker 2 module MadTracker 2
MTE MadTracker 2 Envelope MadTracker 2
MTI MadTracker 2 instrument MadTracker 2
MTM MultiTracker module  
MTP MadTracker 2 Pattern MadTracker 2
MTS MadTracker 2 Sample MadTracker 2
MTX MadTracker 2 Extension MadTracker 2
MWS MWave DSP synth's instrument extract  
NST NoiseTracker Module  
OKT Oktalizer module  
PAC SBStudio II Package or Song Spec SBStudio
PAT Advanced Gravis Ultrasound / Forte tech .patch  
PBF Turtle Beach Pinnacle Bank File  
PRG Akai MPC2000 Program File Spec, WAVmaker program  
PHY PhyMod Physical Modeling data PhyMod
PSM Protracker Studio module  
PTM PolyTracker module  
RA RealNetworks RealAudio compressed streaming data  
RAM RealNetworks RealAudio Metafile  
RAW PCM signed raw audio  
RBS Propellerhead's Rebirth Song File Rebirth RB-338
RMF Beatnik's multimedia Rich Music Format Beatnik Player
ROL Adlib Synthesized Instrument Music file  
RTI RealTracker instrument RealTracker
RTM RealTracker module RealTracker
RTS RealTracker sample RealTracker
S3I Scream Tracker v3 instrument  
S3M Scream Tracker v3 module  
SAM MODEDIT sample file  
SB Raw signed PCM 8bit data  
SBK Emu Systems SoundFont Bank patch collection  
SBI SoundBlaster Instrument  
SD Sound Designer I audio  
SD2 Sound Designer II flattened audio or data fork  
SDK Roland S-550/S-50/W-30 Disk Image  
SDS MIDI Sample Dump Standard Spec  
SDX Sample Dump Exchange  
SF IRCAM Sound File"  
SF2 Emu Systems SoundFont v2.0 patch collection Spec  
SMP SampleVision audio, AdLib Gold Sample  
SND Akai MPC-series sample Spec, Spec, PCM unsigned raw audio, NeXT Sound, Macintosh Sound Resource  
SOU SBStudio II audio  
SPPACK SPPack sound sample  
STM Scream Tracker Module 1 & 2  
STX Scream Tracker Module  
SW Raw signed PCM 16bit data  
SYX Raw MIDI System Exclusive message(s)  
SYH Synchomatic Instrument Synchomatic
SYW Yamaha SY-85/SY-99 Wave audio  
TD0 Akai Teledisk Sound Library Spec  
TXT ASCII text parameter description  
TXT ASCII text formatted audio data  
TXW Yamaha TX-16W Wave audio  
UB Raw unsigned PCM 8bit data  
ULAW Raw m-law (CCITT G.711) data  
ULT UltraTracker module  
UNI UNIMOD module  
UW Raw unsigned PCM 16bit data  
UWF UltraTracker WaveSample  
VOC Creative Labs audio  
VMD Convox Raw sample  
VMF Convox SpeechThing / Voice Master sample  
VOX Dialogic ADPCM audio  
W01 Yamaha TX16W or SY-series wave  
WAV Microsoft Windows RIFF WAVE Spec, Spec  
WFB Turtle Beach WaveFront bank  
WFD Turtle Beach WaveFront drumkit  
WFP Turtle Beach WaveFront program  
WOW Grave Composer module  
XI Fastracker 2.0 instrument FastTracker
XM Fastracker 2.0 module FastTracker
XP Fastracker 2.0 pattern FastTracker
XT Fastracker 2.0 track FastTracker