| Code |
Codec Description |
Vendor / Source / Notes |
| 0x0000 |
unknown |
- |
| 0x0001 |
PCM |
Microsoft |
| 0x0002 |
ADPCM |
Microsoft |
| 0x0003 |
IEEE FLOAT |
Microsoft IEEE754 |
| 0x0004 |
VSELP |
Compaq Computer Corp. |
| 0x0005 |
IBM CVSD |
IBM Corporation |
| 0x0006 |
ALAW |
Microsoft |
| 0x0007 |
MULAW |
Microsoft |
| 0x0008 |
DTS |
Microsoft |
| 0x0009 |
Microsoft DRM |
Microsoft |
| 0x000A |
WMSpeech |
Microsoft |
| 0x000B |
Windows Media RT Voice |
Microsoft |
| 0x0010 |
OKI ADPCM |
OKI |
| 0x0011 |
DVI ADPCM |
Intel Corporation |
| 0x0012 |
Mediaspace ADPCM |
Videologic |
| 0x0013 |
Sierra ADPCM |
Sierra Semiconductor Corp |
| 0x0014 |
G723 ADPCM |
Antex Electronics Corporation |
| 0x0015 |
DIGISTD |
DSP Solutions, Inc. |
| 0x0016 |
DIGIFIX |
DSP Solutions, Inc. |
| 0x0017 |
Dialogic OKI ADPCM |
Dialogic Corporation |
| 0x0018 |
Mediavision ADPCM |
Media Vision, Inc. |
| 0x0019 |
CU CODEC |
Hewlett-Packard Company |
| 0x001A |
HP DYNAMIC VOICE |
Hewlett-Packard Company |
| 0x0020 |
Yamaha ADPCM |
Yamaha Corporation of America |
| 0x0021 |
Sonarc |
Speech Compression |
| 0x0022 |
DSP Group TrueSpeech |
DSP Group, Inc |
| 0x0023 |
ECHOSC1 |
Echo Speech Corporation |
| 0x0024 |
Audiofile AF36 |
Virtual Music, Inc. |
| 0x0025 |
APTX |
Audio Processing Technology |
| 0x0026 |
Audiofile AF10 |
Virtual Music, Inc. |
| 0x0027 |
Prosody 1612 |
Aculab plc |
| 0x0028 |
LRC |
Merging Technologies S.A. |
| 0x0030 |
Dolby AC2 |
Dolby Laboratories |
| 0x0031 |
GSM 6.10 |
Microsoft |
| 0x0032 |
MSNAudio |
Microsoft |
| 0x0033 |
Antex ADPCME |
Antex Electronics Corporation |
| 0x0034 |
Control Res. VQLPC |
Control Resources Limited |
| 0x0035 |
DigiReal |
DSP Solutions, Inc. |
| 0x0036 |
DigiADPCM |
DSP Solutions, Inc. |
| 0x0037 |
Control Res. CR10 |
Control Resources Limited |
| 0x0038 |
NMS VBXADPCM |
Natural MicroSystems |
| 0x0039 |
CS IMAADPCM |
Crystal Semiconductor
IMA ADPCM |
| 0x003A |
ECHOSC3 |
Echo Speech Corporation |
| 0x003B |
Rockwell ADPCM |
Rockwell International |
| 0x003C |
Rockwell DIGITALK |
Rockwell International |
| 0x003D |
XEBEC |
Xebec Multimedia
Solutions Limited |
| 0x0040 |
G721 ADPCM |
Antex Electronics Corporation |
| 0x0041 |
G728 CELP |
Antex Electronics Corporation |
| 0x0042 |
MSG723 |
Microsoft |
| 0x0043 |
IBM AVC ADPCM |
IBM Corp |
| 0x0044 |
MSG729 |
Microsoft |
| 0x0045 |
ITU-T G.726 ADPCM |
ITU-T |
| 0x0050 |
MPEG (MP1/MP2) |
ISO/IEC |
| 0x0052 |
RT24 |
InSoft, Inc. |
| 0x0053 |
PAC |
InSoft, Inc. |
| 0x0055 |
MP3 |
ISO |
| 0x0059 |
Lucent G723 |
Lucent Technologies |
| 0x0060 |
Cirrus |
Cirrus Logic |
| 0x0061 |
ESPCM |
ESS Technology |
| 0x0062 |
Voxware |
Voxware Inc |
| 0x0063 |
Canopus ATRAC |
Canopus, co., Ltd. |
| 0x0064 |
G726 ADPCM |
APICOM |
| 0x0065 |
G722 ADPCM |
APICOM |
| 0x0066 |
DSAT |
Microsoft |
| 0x0067 |
DSAT DISPLAY |
Microsoft |
| 0x0069 |
Voxware BYTE ALIGNED |
Voxware Inc. |
| 0x0070 |
Voxware AC8 |
Voxware Inc. |
| 0x0071 |
Voxware AC10 |
Voxware Inc. |
| 0x0072 |
Voxware AC16 |
Voxware Inc. |
| 0x0073 |
Voxware AC20 |
Voxware Inc. |
| 0x0074 |
Voxware RT24 |
Voxware Inc. |
| 0x0075 |
Voxware RT29 |
Voxware Inc. |
| 0x0076 |
Voxware RT29HW |
Voxware Inc. |
| 0x0077 |
Voxware VR12 |
Voxware Inc. |
| 0x0078 |
Voxware VR18 |
Voxware Inc. |
| 0x0079 |
Voxware TQ40 |
Voxware Inc. |
| 0x007A |
VOXWARE SC3 |
Voxware, Inc. |
| 0x007B |
VOXWARE SC3 |
Voxware, Inc. |
| 0x0080 |
Softsound |
Softsound, Ltd. |
| 0x0081 |
Voxware TQ60 |
Voxware, Inc |
| 0x0082 |
MSRT24 |
Microsoft |
| 0x0083 |
G729A |
AT&T Labs, Inc. |
| 0x0084 |
MVI MVI2 |
Motion Pixels |
| 0x0085 |
DF G726 |
DataFusion Systems (Pty) (Ltd) |
| 0x0086 |
DF GSM610 |
DataFusion Systems (Pty) (Ltd) |
| 0x0088 |
ISIAUDIO |
Iterated Systems, Inc. |
| 0x0089 |
ONLIVE |
OnLive! Technologies, Inc. |
| 0x008A |
MULTITUDE FT SX20 |
Multitude, Inc. |
| 0x008B |
G.721 ADPCM |
Infocom ITS A/S |
| 0x008C |
CONVEDIA G729 |
Convedia Corporation |
| 0x008D |
Not specified |
congruency, Inc. |
| 0x0091 |
SBC24 |
Siemens Business Communications Sys |
| 0x0092 |
Dolby AC3 SPDIF |
Sonic Foundry |
| 0x0093 |
MediaSonic G723 |
MediaSonic |
| 0x0094 |
Prosody 8KBPS |
Aculab plc |
| 0x0097 |
Zyxel ADPCM |
ZyXEL Communications, Inc. |
| 0x0098 |
Philips LPCBB |
Philips Speech Processing |
| 0x0099 |
PACKED |
Studer Professional Audio AG |
| 0x00A0 |
Malden PhonyTalk |
Malden Electronics Ltd. |
| 0x00A1 |
Racal Recorder GSM |
Racal Recorders |
| 0x00A2 |
Racal Recorder G720.a |
Racal Recorders |
| 0x00A3 |
Racal G723.1 |
Racal Recorders |
| 0x00A4 |
Racal Tetra ACELP |
Racal Recorders |
| 0x00B0 |
NEC AAC |
NEC Corporation |
| 0x00FF |
AAC |
ISO/IEC 13818-7 |
| 0x0100 |
Rhetorax ADPCM |
Rhetorex Inc |
| 0x0101 |
IRAT |
BeCubed Software Inc. |
| 0x0102 |
ALAW |
IBM a-law format |
| 0x0103 |
ADPCM |
IBM AVC Adaptive Differential Pulse Code Modulation |
| 0x0111 |
Vivo G723 |
Vivo Software |
| 0x0112 |
Vivo SIREN |
Vivo Software |
| 0x0120 |
PHILIPS CELP |
Philips Speech Processing |
| 0x0121 |
PHILIPS GRUNDIG |
Philips Speech Processing |
| 0x0123 |
DEC G723 |
Digital Equipment Corporation |
| 0x0125 |
Sanyo LD ADPCM |
Sanyo Electric Co., Ltd. |
| 0x0130 |
Sipro Lab ACEPLNET |
Sipro Lab Telecom Inc. |
| 0x0131 |
Sipro Lab ACELP4800 |
Sipro Lab Telecom Inc. |
| 0x0132 |
Sipro Lab ACELP8V3 |
Sipro Lab Telecom Inc. |
| 0x0133 |
Sipro Lab G729 |
Sipro Lab Telecom Inc. |
| 0x0134 |
Sipro Lab G729A |
Sipro Lab Telecom Inc. |
| 0x0135 |
Sipro Lab KELVIN |
Sipro Lab Telecom Inc. |
| 0x0136 |
VOICEAGE AMR |
VoiceAge Corporation |
| 0x0140 |
G726ADPCM |
Dictaphone Corporation |
| 0x0141 |
CELP68 |
Dictaphone Corporation |
| 0x0142 |
CELP54 |
Dictaphone Corporation |
| 0x0150 |
Qualcomm Purevoice |
Qualcomm, Inc. |
| 0x0151 |
Qualcomm Halfrate |
Qualcomm, Inc. |
| 0x0155 |
TUBGSM |
Ring Zero Systems, Inc. |
| 0x0160 |
WMA v1 |
Microsoft |
| 0x0161 |
WMA v2 |
Microsoft |
| 0x0162 |
Windows Media Audio 9 Professional |
Microsoft, Inc. |
| 0x0163 |
Windows Media Audio 9 Lossless |
Microsoft, Inc. |
| 0x0164 |
WMA Pro over S/PDIF |
Microsoft |
| 0x0170 |
UNISYS NAP ADPCM |
Unisys Corporation |
| 0x0171 |
UNISYS NAP ULAW |
Unisys Corporation |
| 0x0172 |
UNISYS NAP ALAW |
Unisys Corporation |
| 0x0173 |
UNISYS NAP 16K |
Unisys Corporation |
| 0X0174 |
MM SYCOM ACM SYC008 |
SyCom Technologies |
| 0x0175 |
MM SYCOM ACM SYC701 G726L |
SyCom Technologies |
| 0x0176 |
MM SYCOM ACM SYC701 CELP54 |
SyCom Technologies |
| 0x0177 |
MM SYCOM ACM SYC701 CELP68 |
SyCom Technologies |
| 0x0178 |
KNOWLEDGE ADVENTURE ADPCM |
Knowledge Adventure, Inc. |
| 0x0180 |
MPEG2AAC |
Fraunhofer IIS |
| 0x0190 |
DTS DS |
Digital Theater Systems, Inc. |
| 0x0200 |
Creative ADPCM |
Creative Labs, Inc |
| 0x0202 |
Creative FASTSPEECH8 |
Creative Labs, Inc |
| 0x0203 |
Creative FASTSPEECH10 |
Creative Labs, Inc |
| 0x0210 |
UHER ADPCM |
UHER informatic GmbH |
| 0x0215 |
Ulead DV Audio |
Ulead Systems, Inc |
| 0x0216 |
Ulead DV Audio |
Ulead Systems, Inc |
| 0x0220 |
Quarterdeck |
Quarterdeck Corporation |
| 0x0230 |
I-Link VC |
I-link Worldwide |
| 0x0240 |
RAW SPORT |
Aureal Semiconductor |
| 0x0241 |
ESST AC3 |
ESS Technology |
| 0x0250 |
IPI HSX |
Interactive Products, Inc. |
| 0x0251 |
IPI RPELP |
Interactive Products, Inc. |
| 0x0260 |
CS2 |
Consistent Software |
| 0x0270 |
Sony SCX |
Sony Corp. |
| 0x0271 |
SONY SCY |
Sony Corporation |
| 0x0272 |
SONY ATRAC3 |
Sony Corporation |
| 0x0273 |
SONY SPC |
Sony Corporation |
| 0x0280 |
TELUM |
Telum Inc. |
| 0x0281 |
TELUMIA |
Telum Inc. |
| 0x0285 |
Norcom Voice Systems ADPCM |
Norcom Electronics Corporation |
| 0x0300 |
FM TOWNS SND |
Fujitsu Corp. |
| 0x0301 |
Not specified |
Fujitsu Corporation |
| 0x0302 |
Not specified |
Fujitsu Corporation |
| 0x0303 |
Not specified |
Fujitsu Corporation |
| 0x0304 |
Not specified |
Fujitsu Corporation |
| 0x0305 |
Not specified |
Fujitsu Corporation |
| 0x0306 |
Not specified |
Fujitsu Corporation |
| 0x0307 |
Not specified |
Fujitsu Corporation |
| 0x0308 |
Not specified |
Fujitsu Corporation |
| 0x0350 |
DEVELOPMENT |
Micronas Semiconductors, Inc. |
| 0x0351 |
CELP833 |
Micronas Semiconductors, Inc. |
| 0x0400 |
BTV DIGITAL |
Brooktree Corporation |
| 0x0401 |
Intel Music Coder (IMC) |
Intel Corporation |
| 0x0402 |
Indeo Audio |
Ligos |
| 0x0450 |
QDesign MUSIC |
QDesign Corporation |
| 0x0500 |
On2 VP7 |
On2 Technologies |
| 0x0501 |
On2 VP6 |
On2 Technologies |
| 0x0680 |
VME VMPCM |
AT&T Labs, Inc. |
| 0x0681 |
TPC |
AT&T Labs, Inc. |
| 0x0700 |
YMPEG MPEG1/2 |
Yusuf Motiwala |
| 0x08AE |
Lightwave Lossless |
http://www.clearjump.com |
| 0x0AAC |
HDX4 AAC |
Jomigo GmbH |
| 0x1000 |
OLIGSM |
Ing C. Olivetti & C., S.p.A. |
| 0x1001 |
OLIADPCM |
Ing C. Olivetti & C., S.p.A. |
| 0x1002 |
OLICELP |
Ing C. Olivetti & C., S.p.A. |
| 0x1003 |
OLISBC |
Ing C. Olivetti & C., S.p.A. |
| 0x1004 |
OLIOPR |
Ing C. Olivetti & C., S.p.A. |
| 0x1100 |
LH CODEC |
Lernout & Hauspie |
| 0x1101 |
L & H CELP codec |
Lernout & Hauspie |
| 0x1102 |
L & H SBC codec |
Lernout & Hauspie |
| 0x1103 |
L & H SBC codec |
Lernout & Hauspie |
| 0x1104 |
L & H SBC codec |
Lernout & Hauspie |
| 0x1400 |
NORRIS |
Norris Communications, Inc. |
| 0x1401 |
ISIAUDIO |
ISIAudio |
| 0x1500 |
Soundspace Musicompress |
Soundspace Music Compression |
| 0x181C |
VoxWare RT24 speech codec |
Voxware Inc. |
| 0x181E |
Lucent elemedia AX24000P Music codec |
- |
| 0x1971 |
SONICFOUNDRY LOSSLESS |
Sonic Foundry |
| 0x1979 |
INNINGS ADPCM |
Innings Telecom Inc. |
| 0x1C07 |
Lucent SX8300P speech codec |
Lucent Technologies |
| 0x1C0C |
Lucent SX5363S G.723 compliant codec |
Lucent Technologies |
| 0x1F03 |
CUseeMe DigiTalk (ex-Rockwell) |
Radvision |
| 0x1FC4 |
NCT ALF2CD codec |
http://www.nctsoft.com |
| 0x2000 |
Dolby AC3 |
Dolby Labs |
| 0x2001 |
Dolby DTS |
Dolby Labs |
| 0x2002 |
RealAudio 1 / 2 14.4 |
Real Networks |
| 0x2003 |
RealAudio 1 / 2 28.8 |
Real Networks |
| 0x2004 |
RealAudio G2 / 8 Cook (low bitrate) |
Real Networks |
| 0x2005 |
RealAudio 3 / 4 / 5 Music (DNET) |
Real Networks |
| 0x2006 |
RealAudio 10 AAC (RAAC) |
Real Networks |
| 0x2007 |
RealAudio 10 AAC+ (RACP) |
Real Networks |
| 0x2500 |
Reserved rangle to 0x2600 |
Microsoft |
| 0x3313 |
makeAVIS (fake AVI sound from AviSynth scripts) |
ffdshow |
| 0x4143 |
Divio MPEG-4 AAC audio |
Divio, Inc. |
| 0x4201 |
Nokia adaptive multirate |
Nokia Mobile Phones |
| 0x4243 |
Divio's G726 |
Divio, Inc. |
| 0x434C |
LEAD Speech |
LEAD Technologies |
| 0x564C |
LEAD Vorbis |
LEAD Technologies |
| 0x5756 |
WavPack Audio |
xiph.org [open source] |
| 0x674F |
Ogg Vorbis 1 |
Ogg Vorbis |
| 0x6750 |
Ogg Vorbis 2 |
Ogg Vorbis |
| 0x6751 |
Ogg Vorbis 3 |
Ogg Vorbis |
| 0x676F |
Ogg Vorbis 1 PLUS |
Ogg Vorbis |
| 0x6770 |
Ogg Vorbis 2 PLUS |
Ogg Vorbis |
| 0x6771 |
Ogg Vorbis 3 PLUS |
Ogg Vorbis |
| 0x7000 |
3COM NBX |
3Com Corporation |
| 0x706D |
FAAD AAC |
(open source) |
| 0x7A21 |
GSM-AMR (CBR, no SID) |
GSMA/3GPP |
| 0x7A22 |
GSM-AMR (VBR w/SID) |
GSMA/3GPP |
| 0xA100 |
COMVERSEINFOSYS G723 1 |
Comverse Infosys Ltd. |
| 0xA101 |
COMVERSEINFOSYS AVQSBC |
Comverse Infosys Ltd. |
| 0xA102 |
COMVERSEINFOSYS OLDSBC |
Comverse Infosys Ltd. |
| 0xA103 |
Symbol Technology's G729A |
Symbol Technologies Canada |
| 0xA104 |
VOICEAGE AMR WB |
VoiceAge Corporation |
| 0xA105 |
Ingenient's G726 |
Ingenient Technologies, Inc. |
| 0xA106 |
ISO/MPEG-4 advanced audio Coding |
AAC. |
| 0xA107 |
Encore Software Ltd's G726 |
Encore Software Ltd. |
| 0xA109 |
Speex ACM Codec |
xiph.org (Open Source) |
| 0xDFAC |
DebugMode SonicFoundry Vegas FrameServer |
Sonic Foundry |
| 0xF1AC |
Free Lossless Audio Codec FLAC |
flac.sourceforge.net [open source] |
| 0xe708 |
Unknown |
- |
| 0xFFFE |
Extensible wave format |
- |
| 0xFFFF |
development use |
-C53IT |
