TwoCC
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The TwoCC is the audio counterpart to the video FourCC. It is the audio format identifier used in the RIFF based multimedia formats by Microsoft (WAV and AVI). The TwoCC is 2 bytes long and stored in little endian format on disk. You can register your TwoCC with Microsoft but it seems that only some companies perform this process.
If you need help finding any codec mail me compn@ffmpeg.org
TwoCC | Description | Vendor | Filename(s) | Comment |
---|---|---|---|---|
0x0000 | Microsoft Unknown Wave Format | |||
0x0001 | Microsoft PCM Format | Microsoft | ||
0x0002 | Microsoft ADPCM | Microsoft | msacm.msadpcm=msadp32.acm | |
0x0003 | IEEE754 FLOAT | Microsoft | ||
0x0004 | Compaq Computer VSELP | (codec for Windows CE 2.0 devices) | ||
0x0005 | IBM CVSD | IBM Corporation | ||
0x0006 | Microsoft CCITT G.711 (A-Law and u-Law) | Microsoft | msacm.msg711=msg711.acm | |
0x0007 | Microsoft CCITT G.711 (A-Law and u-Law) | Microsoft | msacm.msg711=msg711.acm | |
0x0008 | Microsoft DTS | |||
0x0009 | Microsoft DRM | |||
0x000A | WMSpeech | Microsoft | ||
0x000B | Windows Media RT Voice | Microsoft | ||
0x0010 | OKI ADPCM | |||
0x0011 | IMA ADPCM | Microsoft | msacm.imaadpcm=imaadp32.acm | |
0x0012 | Videologic MediaSpace ADPCM | |||
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 | Dictaphone Corporation | okiadp32.acm | |
0x0018 | MediaVision ADPCM | |||
0x0019 | CU CODEC Mobile Voice | Hewlett-Packard Company | mobileV.acm | |
0x001A | Hewlett-Packard HP DYNAMIC VOICE | |||
0x0020 | Yamaha ADPCM | |||
0x0021 | Sonarc Speech Compression | |||
0x0022 | DSP Group TrueSpeech(TM) | DSP GROUP, INC. | msacm.trspch=tssoft32.acm | |
0x0023 | ECHOSC1 | Echo Speech Corporation | ||
0x0024 | Audiofile AF36 | Virtual Music, Inc. | ||
0x0024 | Delrina DCC36 CODEC | Delrina (Canada) Corporation | DCC3632.ACM | |
0x0025 | APTX | Audio Processing Technology | ||
0x0026 | Audiofile AF10 | Virtual Music, Inc. | MSACM.AF10=AF10.ACM | |
0x0027 | Prosody 1612 | CTI Speech Card Aculab plc | ||
0x0028 | LRC | Merging Technologies S.A. | ||
0x0030 | Dolby Labs AC2 | |||
0x0031 | Microsoft GSM 6.10 | Microsoft | msacm.msgsm610=msgsm32.acm | |
0x0032 | MSNAudio | Microsoft | MSACM.MSNAUDIO=msnaudio.acm | |
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 Roland RDAC | Crystal Semiconductor | IMA ADPCM | |
0x003A | ECHOSC3 | Echo Speech Corporation | ||
0x003B | Rockwell ADPCM | Rockwell International | DCCRKL32.ACM | |
0x003C | Rockwell DIGITALK | Rockwell International | ||
0x003D | XEBEC | Xebec Multimedia Solutions Limited | ||
0x0040 | G721 ADPCM | Antex Electronics Corporation | ||
0x0041 | G728 CELP | Antex Electronics Corporation | ||
0x0042 | Microsoft G.723.1 | Microsoft | msacm.msg723=msg723.acm | |
0x0043 | IBM AVC ADPCM | |||
0x0044 | MSG729 | Microsoft | ||
0x0045 | ITU-T G.726 ADPCM | ITIG726.acm Scg726.acm | ||
0x0050 | MPEG (MP1/MP2) | ISO/IEC | ||
0x0050 | QDesign MPEG | QDesign Corporation | qmpeg.acm | |
0x0052 | InSoft RT24 | (ACM codec is an alternative codec) | ||
0x0053 | PAC | InSoft, Inc. | ||
0x0055 | MPEG Layer-3 Audio Codec | msacm.l3ACM=l3codeca.acm | ||
0x0057 | AMR-NB | |||
0x0058 | AMR-WB | |||
0x0059 | Lucent G.723 | |||
0x0060 | Delrina Cirrus ALAW | Cirrus Logic | DCCCRS32.ACM | |
0x0061 | ESS Technology ESPCM | |||
0x0061 | Duck DK4 ADPCM | The Duck Corporation | dk4bit32.acm | |
0x0062 | Voxware File-Mode Codecs | Voxware, Inc. | msacm.voxacm160=vct3216.acm VDK32116.ACM VDK32118.ACM | |
0x0062 | Duck DK3 ADPCM | The Duck Corporation | dk3b32.acm | |
0x0063 | Canopus ATRAC | Canopus, co., Ltd. | ||
0x0064 | G726 ADPCM | APICOM | ||
0x0065 | G722 ADPCM | APICOM | ||
0x0066 | DSAT | Microsoft | ||
0x0067 | DSAT DISPLAY | Microsoft | ||
0x0069 | Voxware v1.1.8 Bitstream-Mode Codecs | Voxware, Inc. | msacm.voxacm160=vct3216.acm VDK32118.ACM | |
0x0069 | Xbox ADPCM | Microsoft | XBADPCM.ACM | |
0x0070 | Voxware AC8 (Lernout & Hauspie CELP 4.8 kbps) | lhacm.acm | ||
0x0071 | Voxware AC10 (Lernout & Hauspie CBS 8kbps) | lhacm.acm | ||
0x0072 | Voxware AC16 (Lernout & Hauspie CBS 12kbps) | lhacm.acm | ||
0x0073 | Voxware AC20 (Lernout & Hauspie CBS 16kbps) | lhacm.acm | ||
0x0074 | Voxware MetaVoice | Voxware, Inc. | msacm.voxacm160=vct3216.acm VCT32150.acm | |
0x0075 | Voxware RT29 Metasound | Voxware, Inc. | msacm.voxacm160=vct3216.acm | |
0x0076 | Voxware RT29HW | |||
0x0077 | Voxware VR12 | |||
0x0078 | Voxware VR18 | |||
0x0079 | Voxware TQ40 | |||
0x007A | Voxware SC3 | |||
0x007B | Voxware SC3 | |||
0x0080 | Softsound | Softsound, Ltd. | ||
0x0081 | Voxware TQ60 | |||
0x0082 | Microsoft MSRT24 | Microsoft | (ACM codec is an alternative codec) | |
0x0083 | G729A | AT&T Labs, Inc. | ||
0x0084 | MVI MVI2 | Motion Pixels | ||
0x0085 | DataFusion Systems G.726 | |||
0x0086 | DataFusion Systems GSM610 | |||
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 G.723 | |||
0x0093 | Symantec ZyXEL ADPCM | Symantec/Delrina (Canada) Corporation | DCCZYL32.ACM | |
0x0094 | Prosody 8KBPS | Aculab plc | ||
0x0097 | Zyxel ADPCM | ZyXEL Communications, Inc. | ||
0x0098 | Philips LPCBB | Philips Speech Processing | SMLPCBB.ACM | |
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 | ||
0x00E1 | Microsoft ADPCM | Microsoft | ||
0x00f4 | WRPR codec | |||
0x00FF | AAC | |||
0x0100 | Rhetorex ADPCM | Rhetorex Inc. | rhetorex.acm | |
0x0101 | IBM mu-law / BeCubed Software IRAT | |||
0x0102 | ALAW IBM a-law format | |||
0x0103 | ADPCM IBM AVC Adaptive Differential Pulse Code Modulation | |||
0x0111 | Vivo G.723 | Vivo Software | msacm.vivog723=vivog723.acm | |
0x0112 | Vivo Siren | Vivo Software | msacm.vivog723=vivog723.acm | |
0x0120 | PHILIPS CELP | Philips Speech Processing | smcelp32.acm | |
0x0121 | PHILIPS GRUNDIG | Philips Speech Processing | ||
0x0123 | DEC G723 | Digital Equipment Corporation Digital G.723 | ||
0x0125 | Sanyo LD ADPCM | SANYO Electric Co., Ltd. | msacm.ldadpcm=LDADP32.acm | |
0x0130 | Sipro Lab Telecom ACELP.net | Sipro Lab Telecom Inc. | msacm.sl_anet=sl_anet.acm | |
0x0131 | Sipro Lab Telecom ACELP.4800 | Sipro Lab Telecom Inc. | ||
0x0132 | Sipro Lab Telecom ACELP.8V3 | Sipro Lab Telecom Inc. | ||
0x0133 | Sipro Lab Telecom ACELP.G.729 | Sipro Lab Telecom Inc. | ||
0x0134 | Sipro Lab Telecom ACELP.G.729A | Sipro Lab Telecom Inc. | ||
0x0135 | Sipro Lab Telecom ACELP.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 | |||
0x0151 | Qualcomm HalfRate | |||
0x0155 | TUB GSM 06.10 | Ring Zero Systems, Inc. | MSACM.RZSGSM=RZSGSM32.ACM | |
0x0156 | TUB GSM 06.10 (USR) | Ring Zero Systems, Inc. | MSACM.RZSGSM=RZSGSM32.ACM | |
0x0160 | Windows Media Audio | Microsoft | msacm.msaudio1=msaud32.acm | |
0x0161 | Windows Media Audio V2 V7 V8 V9 / DivX audio (WMA) / Alex AC3 Audio | Microsoft | msacm.msaudio1=msaud32.acm | |
0x0162 | Windows Media Audio 9 Professional | Microsoft, Inc. | ||
0x0163 | Windows Media Audio 9 Lossless | Microsoft, Inc. | ||
0x0164 | WMA Pro over S/PDIF | |||
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 | |||
0x0180 | MPEG2AAC | Fraunhofer IIS | ||
0x0190 | DTS DS | Digital Theater Systems, Inc. | ||
0x0200 | Creative Labs ADPCM | Creative Technology Ltd | ctadp32.acm MSACM.WFM0200=WFM0200.ACM | |
0x0202 | Creative Labs FastSpeech8 | Creative Technology Ltd | CTFS32.ACM MSACM.WFM0202=WFM0202.ACM | CTFS32.ACM has no implementation |
0x0203 | Creative Labs FastSpeech10 | Creative Technology Ltd | CTFS32.ACM MSACM.WFM0203=WFM0203.ACM | CTFS32.ACM has no implementation |
0x0210 | UHER ADPCM | UHER informatic GmbH | nvsadpcm.acm | |
0x0215 | Ulead DV | msacm.dvACM=dvacm.acm | ||
0x0216 | Ulead DV | Ulead Systems, Inc. | msacm.dvACM=Dvacm.acm | |
0x0217 | Ulead MP3 | msacm.ulmp3acm=ulmp3acm.acm | Warning: Codec is disabled | |
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 ATRAC3 | Sony Corporation | msacm.at3=atrac3.acm | (SCX, same as MiniDisk LP2) |
0x0271 | Sony SCY | |||
0x0272 | Sony ATRAC3 | |||
0x0273 | Sony SPC | |||
0x0280 | TELUM | Telum Inc. | ||
0x0281 | TELUMIA | Telum Inc. | ||
0x0285 | Norcom Voice Systems ADPCM | Norcom Electronics Corporation | nvsadpcm.acm | |
0x028e | MSN Messenger Audio Codec | Microsoft | msacm.siren=sirenacm.dll | |
0x0300 | Fujitsu FM TOWNS SND | |||
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 | Micronas Intermetall MI-SC4 | Micronas Semiconductors, Inc. | MSACM.MI-SC4=MI-SC4.acm | |
0x0351 | CELP833 | Micronas Semiconductors, Inc. | ||
0x03eb | DVMPEG Audio | Darim Vision Co., Ltd. | dvacmau.dll | |
0x0400 | BTV Digital (Brooktree digital audio format) | |||
0x0400 | Citrix ADPCM | Citrix Systems, Inc. | ctxadpcm.acm | |
0x0400 | Intel G.723.1 | Intel Corporation | g723.acm | |
0x0401 | Intel Music Coder | msacm.imc=imc32.acm | ||
0x0402 | Indeo® audio software | msacm.iac2=iac25_32.ax | ||
0x0450 | QDesign Music | |||
0x0500 | On2 VP7 On2 Technologies AVC Audio | |||
0x0501 | On2 VP6 On2 Technologies | |||
0x0680 | AT&T Labs VME VMPCM | |||
0x0681 | AT&T Labs TPC | |||
0x0700 | YMPEG Alpha | ympgacm.acm | (dummy for MPEG-2 compressor) | |
0x08AE | ClearJump Lightwave Lossless | http://www.clearjump.com | ||
0x0917 | Splash Studios Audio Codec | Splash Studios | MSACM.SPLASH=SPLASH.ACM | (seems to be no different from Microsoft IMA ADPCM) |
0x0AAC | HDX4 AAC | Jomigo GmbH | ||
0x0FFF | Voxware v1.1.6 Bitstream-Mode Codecs | Voxware, Inc. | msacm.voxacm160=vct3216.acm | |
0x1000 | Olivetti GSM | |||
0x1001 | Olivetti ADPCM | |||
0x1002 | Olivetti CELP | |||
0x1003 | Olivetti SBC | |||
0x1004 | Olivetti OPR | |||
0x1100 | Lernout & Hauspie codec | MSACM.lh_codec=lh_codec.acm | ||
0x1101 | Lernout & Hauspie CELP codec | lhacm.acm | ||
0x1102 | Lernout & Hauspie SBC codec | lhacm.acm | ||
0x1103 | Lernout & Hauspie SBC codec | lhacm.acm | ||
0x1104 | Lernout & Hauspie SBC codec | lhacm.acm | ||
0x1400 | Norris Communication | |||
0x1401 | AT&T Labs ISIAudio | |||
0x1500 | Soundspace Musicompress | Soundspace Music Compression | ||
0x1500 | Netspeak GSM | NetSpeak Corporation | nsgsm32.acm | |
0x1501 | Netspeak Truespeech | NetSpeak Corporation | nstsp32.acm | |
0x181C | VoxWare RT24 speech codec | Voxware Inc. | msacm.voxacm160=vct3216.acm NSRT2432.ACM VDK32116.ACM VDK32118.ACM | |
0x181E | Lucent elemedia AX24000P Music codec | Netscape Communications | nspac32.acm | |
0x1971 | Sonic Foundry LOSSLESS | |||
0x1979 | Innings Telecom Inc. ADPCM | |||
0x1C07 | Lucent SX8300P speech codec | Lucent Technologies | nsx83p32.acm | |
0x1C0C | Lucent SX5363S G.723 compliant codec | Lucent Technologies | SX5363P.ACM Sx5363s.acm | |
0x1F03 | CUseeMe DigiTalk (ex-Rockwell) | CUseeMe Networks, Inc. | WPDigitalk.acm | |
0x1FC4 | NCT ALF2CD codec | NCT Company | alf2cd.acm | http://www.nctsoft.com |
0x2000 | AC-3ACM Codec | msacm.ac3acm=ac3acm.acm | ||
0x2001 | Dolby DTS | Dolby Labs | ||
0x2002 | RealAudio 1 / 2 14.4 | |||
0x2003 | RealAudio 1 / 2 28.8 | |||
0x2004 | RealAudio G2 / 8 Cook (low bitrate) | |||
0x2005 | RealAudio 3 / 4 / 5 Music (DNET) | |||
0x2006 | RealAudio 10 AAC (RAAC) | |||
0x2007 | RealAudio 10 AAC+ (RACP) | |||
0x2500 | Reserved range to * 0x2600 | Microsoft | ||
0x3313 | makeAVIS | ff_acm.acm | (ffvfw fake AVI sound from AviSynth scripts) | |
0x4143 | Divio MPEG-4 AAC audio | |||
0x4180 | fortherecord MPEG AAC celp? | |||
0x4201 | Nokia adaptive multirate | Nokia Mobile Phones | ||
0x4243 | Divio's G726 | Divio, Inc. | ||
0x434C | LEAD Speech | |||
0x4f41 | GeoVision ADPCM | GeoVision Inc. | msacm.geoadpcm=GeoADPCM.acm | |
0x564C | LEAD Vorbis | |||
0x5756 | WavPack Audio | xiph.org | (open source) | |
0x6665 | Litewave audio compressor | (lw.zip from http://www.clearjump.com) | ||
0x674f | Ogg Vorbis mode 1 | msacm.vorbis=vorbis.acm | ||
0x6750 | Ogg Vorbis mode 2 | msacm.vorbis=vorbis.acm | ||
0x6751 | Ogg Vorbis mode 3 | msacm.vorbis=vorbis.acm | ||
0x676f | Ogg Vorbis mode 1+ | msacm.vorbis=vorbis.acm | ||
0x6770 | Ogg Vorbis mode 2+ | msacm.vorbis=vorbis.acm | ||
0x6771 | Ogg Vorbis mode 3+ | msacm.vorbis=vorbis.acm | ||
0x7000 | 3COM NBX | 3Com Corporation | ||
0x706D | FAAD AAC | (open source) | ||
0x77A1 | The True Audio | |||
0x7A21 | GSM-AMR (CBR, no SID) | EmzAMRNBDec.dll | (doesnt actually decode properly) | |
0x7A22 | GSM-AMR (VBR, including SID) | GSMA/3GPP | EmzAMRNBDec.dll | (doesnt actually decode properly) |
0x8180 | (unverified) For the Record | http://www.fortherecord.com | ||
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 Technologies Inc. G726 | ITIG726.acm | ||
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) | |
0xC0CC | GigaLink Audio Codec | |||
0xCD02 | Polycom PVX G.728 | Polycom, Inc | plcmg728.acm | |
0xDFAC | DebugMode SonicFoundry Vegas FrameServer | |||
0xe708 | Unknown | |||
0xF1AC | Free Lossless Audio Codec FLAC | CoreFLAC_ACM.acm | ||
0xFFFB | Citrix Audio | Citrix Systems, Inc. | ctrxaud.acm | |
0xFFFC | VDOwave Audio | VDOnet Corp | MSACM.VDOACM=vdowave.acm | |
0xFFFC | Philips LONGPLAY CODEC | Philips Speech Processing | MSACM.PSPTRUSP=PSPTRUSP.acm | |
0xFFFD | Philips STANDARDPLAY CODEC | Philips Speech Processing | MSACM.PSPGRU=PSPGRU.acm | |
0xFFFE | Extensible wave format | |||
0xFFFE | VDOnet VDOWave II | VDOnet Corp | VDOWAVE2.ACM | |
0xFFFF | In Development / Unregistered |