The following file formats, are supported for reading (R) and / or writing (W):

Ext.	R/W	Format description
3G2	R+W	3GPP 'project 2' file format. *
3GP	R+W	3GPP file format. *
AAC	R+W	MPEG-2/4 Advanced Audio Coding format (ADTS container format). *
AAC	R	MPEG-2/4 Advanced Audio Coding format (ADIF container format). *
AAC	R	MPEG-2/4 Advanced Audio Coding format ('raw' format). *
AIFC	R	Compressed Audio Interchange File Format.
AIF	R+W	Audio Interchange File Format.
AIFF	R+W	Audio Interchange File Format.
ALAW	R+W	G.711 A-law european telephony format.
ALW	R+W	G.711 A-law european telephony format.
AMR	R+W	MIME 'AMR file storage' format. *
APE	R+W	Monkey Audio losslessly compressed files.
ASF	R	ActiveMovie streaming format. *
ATAK??	R+W	Soundscape Audio-Take files.
AU	R+W	Sun/NeXT/DEC audio files.
AVI	R	Microsoft Audio Video Interleave files.
AVR	R	Audio Visual Research sound file.
CDA	R	Audio CD tracks. CD
CDR	R	Audio CD compatible raw data.
COD	R+W	3GPP 'AMR interface format 2'. *
DIG	R	Digilink format.
DIG	R	Sound Designer I files.
DSS	R	Olympus DSS files. *
DWD	R+W	DiamondWare digitized files.
ESPS	R	ESPS audio files.
F32	R+W	Floating point raw 32-bit IEEE data.
F64	R+W	Floating point raw 64-bit IEEE data.
FLAC	R+W	Free lossless audio codec files. *
G721	R+W	G.721 4-bit (32 kbps) ADPCM format data.
G723	R+W	G.723 3/5-bit ADPCM format data.
G723-3	R+W	G.723 3-bit (24 kbps) ADPCM format data.
G723-5	R+W	G.723 5-bit (40 kbps) ADPCM format data.
G726	R+W	G.726 2/3/4/5-bit ADPCM format data.
G726-2	R+W	G.726 2-bit (16 kbps) ADPCM format data.
G726-3	R+W	G.726 3-bit (24 kbps) ADPCM format data.
G726-4	R+W	G.726 4-bit (32 kbps) ADPCM format data.
G726-5	R+W	G.726 5-bit (40 kbps) ADPCM format data.
GSM	R+W	Raw GSM 06.10 audio streasm.
GSM	R+W	Raw 'byte aligned' GSM 06.10 audio streams.
GSM	R+W	US Robotics voice modems GSM w.o. header (VoiceGuide, RapidComm).
GSM	R+W	US Robotics voice modems GSM w. header (QuickLink).
IFF	R+W	Interchange file format.
INRS	R	INRS-Telecommunications audio files.
M4A	R+W	iTunes MPEG-4 audio format. *
MAT	R+W	Matlab variables binary files.
MOV	R+W	Apple QuickTime movie format. *
MP1	R	MPEG audio streams, layer I.
MP2	R+W	MPEG audio streams, layer II. *
MP3	R+W	MPEG audio streams, layer III. *
MP4	R+W	MPEG-4 base media file format. *
MPA	R	MPEG audio streams, layer I, II, 'II½' or III.
MPEG	R	MPEG system streams, audio+video.
MPG	R	MPEG system streams, audio+video.
MTS	R	Media Touch Systems MPEG audio layer II.
MUS	R	Musifile MPEG Layer II audio stream.
NIST	R+W	NIST Sphere files.
NVF	R+W	Creative Labs Nomad voice files.
OGG	R+W	Vorbis Ogg streams. *
PAF	R+W	Ensoniq PARIS audio files.
PSION	R	PSION a-law files.
RA	W	RealAudio files. *
RAW	R	Signed 8-bit PCM data.
RIF	R+W	Rockwell ADPCM format (Hotfax/Quicklink).
ROCKWELL-2	R+W	Rockwell 2-bit ADPCM data.
ROCKWELL-3	R+W	Rockwell 3-bit ADPCM data.
ROCKWELL-4	R+W	Rockwell 4-bit ADPCM data.
SAM	R	Signed 8-bit PCM files.
SB	R+W	Signed byte (8-bit) data.
SD	R+W	Sound Designer I files.
SD2	R+W	Sound Designer II flattened files.
SD2	R+W	Sound Designer II data forks.
SDW	R+W	Signed dword (32-bit) data.
SF	R+W	IRCAM / MTU SoundFile format.
SFR	R	Sonic Foundry sample resource files.
SMP	R	Samplevision files.
SND	R+W	Unsigned 8-bit PCM data (W as .UB).
SNDR	R	Sounder sound files.
SNDT	R	SndTools sound files.
SPD	R	Speech data files.
SPPACK	R+W	SPPack sound sample.
SVX	R	Interchange file format.
SW	R+W	Signed word (16-bit) data.
TXT	R+W	Ascii text formatted audio data.
U255LAW	R+W	Exponential 8-bit format.
UB	R+W	Unsigned byte (8-bit) data.
UDW	R+W	Unsigned dword (32-bit) data.
ULAW	R+W	G.711 mu-law US telephony format.
ULW	R+W	G.711 mu-law US telephony format.
UW	R+W	Unsigned word (16-bit) data.
V8	R	Covox 8-bit audio.
VAG	R+W	Sony Playstation / PS2 compressed sound files.
VAP	R+W	Annotated speech files.
VM1	R	Panasonic voice file.
VOC	R+W	Creative Labs 'newer style' sound files.
VOC	R+W	Creative Labs 'older style' sound files.
VOX	R+W	Dialogic 4-bit ADPCM files.
VOX-6K	R+W	Dialogic 4-bit ADPCM files (6000 Hz).
VOX-8K	R+W	Dialogic 4-bit ADPCM files (8000 Hz).
W64	R+W	Sonic Foundry Wave-64 format.
WAV	R+W	Microsoft wave format.
WAV	R+W	Microsoft 'extensible' wave format.
WAV	R+W	Broadcast wave format (EBU BWF). *
WAV	R+W	Multichannel Broadcast wave format (EBU RF64).
WMA	R+W	Windows Media Audio 4. *
WMA	R+W	Windows Media Audio 9 CBR. *
WMA	R+W	Windows Media Audio 9 ABR. *
WMA	R+W	Windows Media Audio 9 VBR. *
WMA	R+W	Windows Media Audio 9 Voice. *
WMA	R+W	Windows Media Audio 9 Lossless. *
WMA	R+W	Windows Media Audio 9 Pro CBR/ABR/VBR. *
WMV	R	Windows Media Video file. *
WV	R+W	WavPack losslessly compressed files. *
YADPCM	R+W	Raw Yamaha 4-bit ADPCM format data.

R	Indicates support for Reading a format.
W	Indicates support for Writing a format.
	Indicates that the format can be auto-detected - even with the wrong extension.
*	Indicates that a free 3rd party add-on may be needed for reading and/or writing certain compressed data formats (click on the format extension to get more info).