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Digital Audio Formats

 

Name File extension Compression Channels Supported Notes
a2b music a2b      
aac aac, mp4   up to 48  
AIFF (Audio Interchange File Format) aiff, aif, aifc uncompressed    
AU or SND (aka u-law format or Unix Audio Format) au, snd   arbitrary Supports a variety of audio codecs, including lossless uncompressed PCM, u-law, a-law, and ADPCM voice compression.  AU and SND formats are identical.
FLAC (Free Lossless Audio Codec) flac lossless up to 8  
         
         
         
MP2 (MPEG-1 Audio Layer 2) or Musicam mp2 lossy 2  
MP3 (MPEG-1 Audio Layer 3) mp3 lossy 2  
         
Ogg Vorbis ogg      
         
RealAudio ra      
Shorten shn      
         
         
         
         
         
         
Transformdomain Weighted Interleave Vector Quantization (or TwinVQ) vqf      
         
WAVE wav   arbitrary Typically stores uncompressed sampled audio as pulse-code modulation (PCM) data. Also supports several codecs for compressed audio.  Supports arbitrary sampling frequency, arbitrary number of channels, and arbitrary bit depth.
Wave64 w64   arbitrary Designed to overcome the 4 GB file size limit of the Microsoft WAV format. Developed by Sonic Foundry, maintained by Sony.
WMA (Windows Media Audio) wma lossless or lossy    
         
         
         
MIDI (Musical Instrument Digital Interface) or SMF (Standard MIDI File) mid, midi     Used for controlling electronic musical instruments, computer sound cards and sequencers. Stores a sequence of discrete sound events such as the beginning and end of a note, velocity and timbre information, and instrument and sound bank codes.
MIDI Karaoke File kar     An "unofficial" extension that adds synchronized lyrics to a Standard MIDI File (SMF).
RMI rmi     A Standard MIDI File (SMF) wrapped in a RIFF header.
         
MOD mod     MOD is a computer file format used to represent music, and was the first module file format. A MOD file contains a set of instruments in the form of samples, a number of patterns indicating how and when the samples are to be played, and a list of what patterns to play in what order.
         
         

playlist

m3u
pls

audio

wma
xi
wav
w64
voc
sf
sds
sd2
raw
pvf
paf
mat
iff
htk
caf
avi

nsa
mp4
m4b
m4a
vlb
apl
aac
mp1
mp2
mp3
ptm
okt
amf
far
669
ult
mtm
xmz
xm
itz
it
s3z
s3m
stz
stm
nst
mdz

miz

cda

 

 

WAVE Audio (*.wav), MP3 Audio (*.mp3), MIDI Audio (*.mid, *.midi, *.rmi), Vorbis Ogg Audio (*.ogg), AIFF Audio (*.aif, *.aifc, *.aiff), AU Audio (*.au), ProTracker Mod Audio (*.mod, *.mdz, *.nst, *.m15), Module Lists Audio (*.mol), Zipped Mod Audio (*.mdz, *.s3z, *.xmz, *.itz), ScreamTracker Mod Audio (*.s3m, *.stm, *.s3z), FastTracker Mod Audio (*.xm, *.xmz), Impulse Tracker Mod Audio (*.it, *.itz), MultiTracker Mod Audio (*.mtm), Octamed Mod Audio (*.med), Other MOD Audio (*.wow, *.669, *.far, *.okt)


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Last Updated 10 June 2007
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