MultimediaWiki - User contributions [en]

RLE

2006-07-08T23:45:37Z

Ac-chan: add link to theory

RLE stands for run length encoding and is a genereal lossless compression. It is used in much codecs after lossy compression. But some old codec use only rle.
* In [[Apple QuickTime]] files, 'rle ' (lower case) indicates [[Apple QuickTime RLE]].
* In [[AVI]] files and [[ASF]] files, RLE indicates [[Microsoft RLE]].
[[Category:Video FourCCs]]
* Here's a list of all the known RGB bitmap/BMP formats: http://www.fourcc.org/rgb.php - including: BI_RGB 0x00000000
RGB 0x32424752
BI_RLE8 0x00000001
RLE8 0x38454C52
BI_RLE4 0x00000002
RLE4 0x34454C52
BI_BITFIELDS 0x00000003
raw 0x32776173
RGBA 0x41424752
RGBT 0x54424752

More information on [[Run Length Encoding]]

RLE

2006-07-08T23:40:16Z

Ac-chan: rle is a genreal lossless compression not only a fourcc

Talk:Main Page

2006-06-19T09:03:46Z

Ac-chan:

Can we make some infos skeletons for the contributors and give links to the documentation of the wiki system and/or guide for how to write and which modification tags available?

MPEG container

2006-06-18T14:31:06Z

Ac-chan: add category

There are the following formats:
* MPEG-2: [[MPEG Programmstream|MPEG Programmstream (PS)]]; [[MPEG Transportstream|MPEG Transportstream (TS)]]
* MPEG-4: [[MP4|MPEG-4 Container (MP4)]] (for MPEG-2 Part2); [[ISO/IEC 14496-15|ISO/IEC 14496-15 AVC file format]] (booth based on the [[ISO Base Media File Format|ISO Base Media File Format (ISO/IEC 15444-12 and ISO/IEC 14496-12)]]

The following are not Container formats but they are sometimes called also MPEG Containers or are modified or extented version of them:
*[[VOB|Video Objects (VOB)]]
*[[PVA]]
*[[MP3]]

[[Category: Container Formats]]

ISO/IEC JTC1/SC29/WG1

2006-06-18T14:06:13Z

Ac-chan: list all standards with there parts more detailed

Website: http://www.itscj.ipsj.or.jp/sc29/ http://jpeg.org

The ISO/IEC JTC1/SC29/WG1 "Joint Photographic Experts Group" (JPEG) is a Working Group (WG1) of the [[ISO/IEC JTC1/SC29|SubCommittee (SC29) "Coding of audio, picture, multimedia and hypermedia information"]] of the [[Joint Technical Committee|"Joint Technical Committee 001: Information Technology Standards" (JTC1)]] and standardized:
*[[ISO]]/[[IEC]] IS JPEG|10918-1 | [[ITU-T]] Recommendation T.81 - [[JPEG]]
Part 1 - The basic JPEG standard, which defines many options and alternatives for the coding of still images of photographic quality
Part 2 - which sets rules and checks for making sure software conforms to Part 1
Part 3 - set up to add a set of extensions to improve the standard, including the SPIFF file format
Part 4 - defines methods for registering some of the parameters used to extend JPEG
*[[ISO]]/[[IEC]] IS 11544 | [[ITU-T]] Recommendation T.82 - [[JBIG]]
*[[ISO]]/[[IEC]] 15444 | [[ITU-T]] Recommendation T.800 [[JPEG2000]]
Part 1, Core coding system (intended as royalty and license-fee free - NB NOT patent-free)
Part 2, Extensions (adds more features and sophistication to the core)
Part 3, Motion JPEG 2000
Part 4, Conformance
Part 5, Reference software (Java and C implementations are available)
Part 6, Compound image file format (document imaging, for pre-press and fax-like applications, etc.)
Part 7 has been abandoned
Part 8, JPSEC (security aspects)
Part 9, JPIP (interactive protocols and API)
Part 10, JP3D (volumetric imaging)
Part 11, JPWL (wireless applications)
Part 12, ISO Base Media File Format (common with MPEG-4)

[[Category: Multimedia-related Standards Bodies]]

MPEG container

2006-06-18T13:36:42Z

Ac-chan:

There are the following formats:
* MPEG-2: [[MPEG Programmstream|MPEG Programmstream (PS)]] [[MPEG Transportstream|MPEG Transportstream (TS)]]
* MPEG-4: [[MPEG-4 Container]] (for MPEG-2 Part2) [[ISO/IEC 14496-15|ISO/IEC 14496-15 AVC file format]] (booth based on the [[ISO Base Media File Format|ISO Base Media File Format (ISO/IEC 15444-12 and ISO/IEC 14496-12)]]

The following are not Container formats but they are sometimes called also MPEG Containers or are modified or extented version of them:
*[[VOB|Video Objects (VOB)]]
*[[PVA]]
*[[MP3]]

A52

2006-06-18T13:15:30Z

Ac-chan: correct links

* Codec ID: 0x2000
* Specification for A/52a: no longer available
* Specification for A/52b: [http://www.atsc.org/standards/a_52b.pdf http://www.atsc.org/standards/a_52b.pdf]

ATSC A/52a is a standard for lossy encoding of audio in digital television broadcasting in the United States. It is the same as Dolby AC3.
ATSC A/52b is an extention to A/52a and was approved for the Bluray and HD-DVD standard. It is the same as Enhanced AC3 or EAC3 for short.
EAC3 is also supposed to be backwards compatible with AC3.

[[Category: Audio Codecs]]

Moving Picture Experts Group

2006-06-12T13:41:05Z

Ac-chan: 1.5 not 15 Mbit/s

Website: [http://www.chiariglione.org/mpeg/ http://www.chiariglione.org/mpeg/]

The ISO/IEC JTC1/SC29/WG11 '''Moving Picture Experts Group''' AKA '''MPEG''' is an ISO/IEC standards body dedicated to creating video and audio encoding standards.

Among the compression methods standardized by MPEG are

* [[MPEG-1|ISO/IEC TR 11172 Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s (aka MPEG1)]]
* [[MP1|MPEG audio layer 1]]
* [[MP2|MPEG audio layer 2]]
* [[MP3|MPEG audio layer 3]]
* [[MPEG-2|ISO/IEC 13818 Generic coding of moving pictures and associated audio information (aka MPEG2)]]
* [[AAC|Advanced Audio Codec (AAC)]]
* [[MPEG-4|ISO/IEC 14496 Coding of audio-visual objects (aka MPEG4)]]
* [[H.264|MPEG4 Part 10 Advanced Video Coding (AVC) aka H.264]]
* ISO/IEC 15938 Multimedia content description interface (aka MPEG7)
* ISO/IEC 21000 Multimedia framework (aka MPEG21)
* ISO/IEC 23000 Multimedia Application Formats (aka MPEG-A)
* ISO/IEC 23001 MPEG Systems Technologies
* ISO/IEC 23002 MPEG Visual Technologies
* ISO/IEC 23003 MPEG Audio Technologies
* ISO/IEC 23004 MPEG Multimedia Middleware
* ISO/IEC 25781 Universal 3D file format

[[Category:Multimedia-related Standards Bodies]]

TwoCC

2006-06-11T19:41:04Z

Ac-chan: add category

The TwoCC is the audio counterpart to the [[:Category:Video FourCCs|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.

* 0x0000 Microsoft Unknown Wave Format
* 0x0001 Microsoft PCM Format
* 0x0002 Microsoft ADPCM Format
* 0x0003 IEEE Float
* 0x0004 Compaq Computer VSELP (codec for Windows CE 2.0 devices)
* 0x0005 IBM CVSD
* 0x0006 Microsoft ALAW (CCITT A-Law)
* 0x0007 Microsoft MULAW (CCITT u-Law)
* 0x0008 Microsoft DTS
* 0x0009 Microsoft DRM
* 0x0010 OKI ADPCM
* 0x0011 Intel DVI ADPCM (IMA ADPCM)
* 0x0012 Videologic MediaSpace ADPCM
* 0x0013 Sierra Semiconductor ADPCM
* 0x0014 Antex Electronics G.723 ADPCM
* 0x0015 DSP Solutions DigiSTD
* 0x0016 DSP Solutions DigiFIX
* 0x0017 Dialogic OKI ADPCM
* 0x0018 MediaVision ADPCM
* 0x0019 Hewlett-Packard CU codec
* 0x0020 Yamaha ADPCM
* 0x0021 Speech Compression SONARC
* 0x0022 DSP Group True Speech
* 0x0023 Echo Speech EchoSC1
* 0x0024 Audiofile AF36
* 0x0025 Audio Processing Technology APTX
* 0x0026 AudioFile AF10
* 0x0027 Prosody 1612 codec for CTI Speech Card
* 0x0028 Merging Technologies S.A. LRC
* 0x0030 Dolby Labs AC2
* 0x0031 Microsoft GSM 6.10
* 0x0032 MSNAudio
* 0x0033 Antex Electronics ADPCME
* 0x0034 Control Resources VQLPC
* 0x0035 DSP Solutions DigiREAL
* 0x0036 DSP Solutions DigiADPCM
* 0x0037 Control Resources CR10
* 0x0038 Natural MicroSystems VBXADPCM
* 0x0039 Roland RDAC (Crystal Semiconductor IMA ADPCM)
* 0x003A Echo Speech EchoSC3
* 0x003B Rockwell ADPCM
* 0x003C Rockwell Digit LK
* 0x003D Xebec Multimedia Solutions
* 0x0040 Antex Electronics G.721 ADPCM
* 0x0041 Antex Electronics G.728 CELP
* 0x0042 Microsoft MSG723
* 0x0043 IBM AVC ADPCM
* 0x0045 ITU-T G.726 ADPCM
* 0x0050 MPEG-1 layer 1, 2
* 0x0052 InSoft RT24 (ACM codec is an alternative codec)
* 0x0053 InSoft PAC
* 0x0055 MPEG-1 Layer 3 (MP3)
* 0x0059 Lucent G.723
* 0x0060 Cirrus Logic
* 0x0061 ESS Technology ESPCM / Duck DK4 ADPCM
* 0x0062 Voxware file-mode codec / Duck DK3 ADPCM
* 0x0063 Canopus Atrac
* 0x0064 APICOM G.726 ADPCM
* 0x0065 APICOM G.722 ADPCM
* 0x0066 Microsoft DSAT
* 0x0067 Microsoft DSAT Display
* 0x0069 Voxware Byte Aligned (bitstream-mode codec)
* 0x0070 Voxware AC8 (Lernout & Hauspie CELP 4.8 kbps)
* 0x0071 Voxware AC10 (Lernout & Hauspie CBS 8kbps)
* 0x0072 Voxware AC16 (Lernout & Hauspie CBS 12kbps)
* 0x0073 Voxware AC20 (Lernout & Hauspie CBS 16kbps)
* 0x0074 Voxware MetaVoice (file and stream oriented)
* 0x0075 Voxware MetaSound (file and stream oriented)
* 0x0076 Voxware RT29HW
* 0x0077 Voxware VR12
* 0x0078 Voxware VR18
* 0x0079 Voxware TQ40
* 0x0080 Softsound
* 0x0081 Voxware TQ60
* 0x0082 Microsoft MSRT24 (ACM codec is an alternative codec)
* 0x0083 AT&T Labs G.729A
* 0x0084 Motion Pixels MVI MV12
* 0x0085 DataFusion Systems G.726
* 0x0086 DataFusion Systems GSM610
* 0x0088 Iterated Systems ISIAudio
* 0x0089 Onlive
* 0x0091 Siemens Business Communications SBC24
* 0x0092 Sonic Foundry Dolby AC3 SPDIF
* 0x0093 MediaSonic G.723
* 0x0094 Aculab PLC Prosody 8KBPS
* 0x0097 ZyXEL ADPCM
* 0x0098 Philips LPCBB
* 0x0099 Studer Professional Audio AG Packed
* 0x00A0 Malden Electronics PHONYTALK
* 0x00FF AAC
* 0x0100 Rhetorex ADPCM
* 0x0101 IBM mu-law / BeCubed Software IRAT
* 0x0102 IBM A-law
* 0x0103 IBM AVC ADPCM
* 0x0111 Vivo G.723
* 0x0112 Vivo Siren
* 0x0123 Digital G.723
* 0x0125 Sanyo LD ADPCM
* 0x0130 Sipro Lab Telecom ACELP.net
* 0x0131 Sipro Lab Telecom ACELP.4800
* 0x0132 Sipro Lab Telecom ACELP.8V3
* 0x0133 Sipro Lab Telecom ACELP.G.729
* 0x0134 Sipro Lab Telecom ACELP.G.729A
* 0x0135 Sipro Lab Telecom ACELP.KELVIN
* 0x0140 Dictaphone G.726 ADPCM
* 0x0150 Qualcomm PureVoice
* 0x0151 Qualcomm HalfRate
* 0x0155 Ring Zero Systems TUB GSM
* 0x0160 Windows Media Audio V1 / DivX audio (WMA)
* 0x0161 Windows Media Audio V2 V7 V8 V9 / DivX audio (WMA) / Alex AC3 Audio
* 0x0162 Windows Media Audio Professional V9
* 0x0163 Windows Media Audio Lossless V9
* 0x0170 UNISYS NAP ADPCM
* 0x0171 UNISYS NAP ULAW
* 0x0172 UNISYS NAP ALAW
* 0x0173 UNISYS NAP 16K
* 0x0200 Creative Labs ADPCM
* 0x0202 Creative Labs FastSpeech8
* 0x0203 Creative Labs FastSpeech10
* 0x0210 UHER Informatic ADPCM
* 0x0215 Ulead DV ACM
* 0x0216 Ulead DV ACM
* 0x0220 Quarterdeck
* 0x0230 I-link Worldwide ILINK VC
* 0x0240 Aureal Semiconductor RAW SPORT
* 0x0241 ESST AC3
* 0x0250 Interactive Products HSX
* 0x0251 Interactive Products RPELP
* 0x0260 Consistent Software CS2
* 0x0270 Sony ATRAC3 (SCX, same as MiniDisk LP2)
* 0x0300 Fujitsu FM TOWNS SND
* 0x0400 BTV Digital (Brooktree digital audio format)
* 0x0401 Intel Music Coder (IMC)
* 0x0402 Ligos Indeo Audio
* 0x0450 QDesign Music
* 0x0680 AT&T Labs VME VMPCM
* 0x0681 AT&T Labs TPC
* 0x0700 YMPEG Alpha (dummy for MPEG-2 compressor)
* 0x08AE ClearJump LiteWave
* 0x1000 Olivetti GSM
* 0x1001 Olivetti ADPCM
* 0x1002 Olivetti CELP
* 0x1003 Olivetti SBC
* 0x1004 Olivetti OPR
* 0x1100 Lernout & Hauspie codec
* 0x1101 Lernout & Hauspie CELP codec
* 0x1102 Lernout & Hauspie SBC codec
* 0x1103 Lernout & Hauspie SBC codec
* 0x1104 Lernout & Hauspie SBC codec
* 0x1400 Norris Communication
* 0x1401 AT&T Labs ISIAudio
* 0x1500 AT&T Labs Soundspace Music Compression
* 0x181C VoxWare RT24 speech codec
* 0x181E Lucent elemedia AX24000P Music codec
* 0x1C07 Lucent SX8300P speech codec
* 0x1C0C Lucent SX5363S G.723 compliant codec
* 0x1F03 CUseeMe DigiTalk (ex-Rocwell)
* 0x1FC4 NCT Soft ALF2CD ACM
* 0x2000 Dolby AC3 / FAST Multimedia AG DVM
* 0x2001 Dolby DTS (Digital Theater System)
* 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)
* 0x3313 makeAVIS (ffvfw fake AVI sound from AviSynth scripts)
* 0x4143 Divio MPEG-4 AAC audio
* 0x434C LEAD Speech
* 0x564C LEAD Vorbis
* 0x674f Ogg Vorbis (mode 1)
* 0x6750 Ogg Vorbis (mode 2)
* 0x6751 Ogg Vorbis (mode 3)
* 0x676f Ogg Vorbis (mode 1+)
* 0x6770 Ogg Vorbis (mode 2+)
* 0x6771 Ogg Vorbis (mode 3+)
* 0x7A21 GSM-AMR (CBR, no SID)
* 0x7A22 GSM-AMR (VBR, including SID)
* 0xDFAC DebugMode SonicFoundry Vegas FrameServer ACM Codec
* 0xF1AC Free Lossless Audio Codec FLAC
* 0xFFFE Extensible wave format
* 0xFFFF In Development / Unregistered

[[Category: Audio Codecs]]

Moving Picture Experts Group

2006-06-11T16:09:06Z

Ac-chan: add mor MPEG Standards

Website: [http://www.chiariglione.org/mpeg/ http://www.chiariglione.org/mpeg/]

The ISO/IEC JTC1/SC29/WG11 '''Moving Picture Experts Group''' AKA '''MPEG''' is an ISO/IEC standards body dedicated to creating video and audio encoding standards.

Among the compression methods standardized by MPEG are

* [[MPEG-1|ISO/IEC TR 11172 Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s (aka MPEG1)]]
* [[MP1|MPEG audio layer 1]]
* [[MP2|MPEG audio layer 2]]
* [[MP3|MPEG audio layer 3]]
* [[MPEG-2|ISO/IEC 13818 Generic coding of moving pictures and associated audio information (aka MPEG2)]]
* [[AAC|Advanced Audio Codec(AAC)]]
* [[MPEG-4|ISO/IEC 14496 Coding of audio-visual objects (aka MPEG4)]]
* [[H.264|MPEG4 Part 10 Advanced Video Codec(AVC) aka H.264]]
* ISO/IEC 15938 Multimedia content description interface (aka MPEG7)
* ISO/IEC 21000 Multimedia framework (aka MPEG21)
* ISO/IEC 23000 Multimedia Application Formats (aka MPEG-A)
* ISO/IEC 23001 MPEG Systems Technologies
* ISO/IEC 23002 MPEG Visual Technologies
* ISO/IEC 23003 MPEG Audio Technologies
* ISO/IEC 23004 MPEG Multimedia Middleware
* ISO/IEC 25781 Universal 3D file format

[[Category:Multimedia-related Standards Bodies]]

ISO/IEC JTC1/SC29/WG1

2006-06-11T15:58:26Z

Ac-chan:

The ISO/IEC JTC1/SC29/WG1 "Joint Photographic Experts Group"(JPEG) is a Working Group(WG1) of the [[ISO/IEC JTC1/SC29|SubCommittee(SC29) "Coding of audio, picture, multimedia and hypermedia information"]] of the [[Joint Technical Committee|"Joint Technical Committee 001: Information Technology Standards"(JTC1)]] and standardized the so calls [[JPEG]] Photo Compression (file) format, [[JBIG]](Fax image format/compression) and [[JPEG2000]](Photo Compression).

[[Category: Multimedia-related Standards Bodies]]

JPEG

2006-06-11T15:58:13Z

Ac-chan: JPEG can be lossless

* FOURCCs: JPEG, CJPG
* Organization: [[ISO/IEC JTC1/SC29/WG1]] "Joint Photographic Experts Group"(JPEG)
* Organization: [[Independent JPEG Group]]
* Samples:
** CJPG: http://www.mplayerhq.hu/MPlayer/samples/V-codecs/CJPG/

JPEG is an ubiquitous lossy or lossless image format.

[[Category:Video Codecs]]
[[Category:Video FourCCs]]

JPEG

2006-06-11T15:50:06Z

Ac-chan: add link to the real JPEG

* FOURCCs: JPEG, CJPG
* Organization: [[ISO/IEC JTC1/SC29/WG1]] "Joint Photographic Experts Group"(JPEG)
* Organization: [[Independent JPEG Group]]
* Samples:
** CJPG: http://www.mplayerhq.hu/MPlayer/samples/V-codecs/CJPG/

JPEG is an ubiquitous lossy image format.

[[Category:Video Codecs]]
[[Category:Video FourCCs]]

Optical Storage Technology Association

2006-06-11T15:43:56Z

Ac-chan: change category

The Optical Storage Technology Association make specification on how to save data on Optical discs(Filesystem and lower level). There [[Universal Disc Format|Universal Disc Format(UDF)]] is used on [[DVD]], [[Blu-Ray]] and [[HD-DVD]].

Links:
Offical Homepage: http://osta.org/
UDF Specification: http://osta.org/specs/index.htm

[[Category: Multimedia-related Standards Bodies]]

Joint Technical Committee

2006-06-11T15:43:23Z

Ac-chan: ch

The Real name is Joint Technical Committee 001: Information Technology Standards(JTC1) Maybe there was planed to build more JTCs between ISO and IEC but this is the only one. As the full name say here works to Standardization body together on IT Standards. For Multimedia the SubCommittees
* SC 23 "Digital Storage Media for information interchange"
* SC 24 "Computer graphics, image processing and environmental data representation"
* SC 29 "Coding of audio, picture, multimedia and hypermedia information"
importaned.

SC 23 defined some Standards about CD, DVD, Blu-Ray and HD-DVD, SC24 made some Standards about grafic file formats like tiff and SC 29 made JPEG and MPEG standards.

Links:
* Homepage: http://isotc.iso.org/livelink/livelink/fetch/2000/2122/327993/customview.html?func=ll&objId=327993

[[Category: Multimedia-related Standards Bodies]]

International Organization for Standardization

2006-06-11T15:42:34Z

Ac-chan: change category

The International Organization for Standardization(ISO) is a network of the national standards institutes of 156 countries, on the basis of one member per country, with a Central Secretariat in Geneva, Switzerland, that coordinates the system. The national standards instituts are also "only" networks of other national intitutes that research and develop on spicial areas. eg the Frauenhofer Institute(how made MPEG1 Layer 3(MP3)) is part of Deutes Institut für Normung(German Instiute for Standardization - DIN) wich is part of ISO.

Not all Standards of the ISO are Multimedia related, this is only a realy smal part. They define also such things as papersize, Keybord layouts, timestamp formats, and much other. For the electric area the ISO work together with the International Engineering Consortium(IEC) which build the Joint Technical Committee(JTC) wich is splitted into SubCommittees which research special areas. For Multimedia the SubCommittees(SC) SC23 "Digital Storage Media for information interchange", SC24 "Computer graphics, image processing and environmental data representation" and SC29 "Coding of audio, picture, multimedia and hypermedia information" are important.

The following standards are Multimedia related:
By ISO/IEC JTC1/SC29/WG1:
* ISO/IEC IS 10918 and ITU-T T.81 (JPEG)
* ISO/IEC IS 11544 and ITU-T T.82 (JBIG)
* ??? (JPEG2000)
By ISO/IEC JTC1/SC29/WG11:
* ISO/IEC TR 11172 Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s (aka MPEG1)
* ISO/IEC 13818 Generic coding of moving pictures and associated audio information (aka MPEG2)
* ISO/IEC 14496 Coding of audio-visual objects (aka MPEG4)
* ISO/IEC 15938 Multimedia content description interface (aka MPEG7)
* ISO/IEC 21000 Multimedia framework (aka MPEG21)
* ISO/IEC 23000 Multimedia Application Formats (aka MPEG-A)
* ISO/IEC 23001 MPEG Systems Technologies
* ISO/IEC 23002 MPEG Visual Technologies
* ISO/IEC 23003 MPEG Audio Technologies
* ISO/IEC 23004 MPEG Multimedia Middleware
* ISO/IEC 25781 Universal 3D file format

Links:
*Homepage: http://www.iso.org
*public available Standards: http://isotc.iso.org/livelink/livelink/fetch/2000/2489/Ittf_Home/PubliclyAvailableStandards.htm

[[Category: Multimedia-related Standards Bodies]]

International Engineering Consortium

2006-06-11T15:41:59Z

Ac-chan: change category

The International Engineering Consortium(IEC) work together with ISO in the JTC1 on Multimedia Standards(SC23, 24 and 29).

Links:
* Homepage: http://www.iec.org/

[[Category: Multimedia-related Standards Bodies]]

ISO/IEC JTC1/SC29

2006-06-11T15:40:45Z

Ac-chan: change category

The ISO/IEC JTC1/SC29 is the subcommittee of the ISO and IEC(that build together the JTC) that research in Multimedia Coding. They have 2(active) Working Groups.
* Working Group 1(WG1) is the "Joint Photographic Experts Group"(JPEG) is active
* Working Group 11 (WG11) is the "Motion picture Expert Group"(MPEG) is ative
* Working Group 12 now MTF

Links:
* official Homepage of ISO/IEC JTC1/SC29: http://www.itscj.ipsj.or.jp/sc29/
There is a Database with the Documents made by them and some of them(eg. Final Drafts of Standards) can be downloaded for free and without registration.
* official Homepage of ISO/IEC JTC1/SC29/WG1(JPEG): http://www.jpeg.org/
* official Homepage of ISO/IEC JTC1/SC29/WG11(MPEG): http://www.chiariglione.org/mpeg/
* Homepage of Leonardo Chiariglione(Chaireman of MPEG) with much infos on Multimedia(not only MPEG): http://www.chiariglione.org/

[[Category: Multimedia-related Standards Bodies]]

Joint Technical Committee

2006-06-11T15:38:11Z

Ac-chan:

International Engineering Consortium

2006-06-11T15:29:41Z

Ac-chan:

International Organization for Standardization

2006-06-11T15:27:01Z

Ac-chan: IEC correction

International Organization for Standardization

2006-06-11T15:25:23Z

Ac-chan:

The International Organization for Standardization(ISO) is a network of the national standards institutes of 156 countries, on the basis of one member per country, with a Central Secretariat in Geneva, Switzerland, that coordinates the system. The national standards instituts are also "only" networks of other national intitutes that research and develop on spicial areas. eg the Frauenhofer Institute(how made MPEG1 Layer 3(MP3)) is part of Deutes Institut für Normung(German Instiute for Standardization - DIN) wich is part of ISO.

Not all Standards of the ISO are Multimedia related, this is only a realy smal part. They define also such things as papersize, Keybord layouts, timestamp formats, and much other. For the electric area the ISO work together with the International Electric Committee(IEC) which build the Joint Technical Committee(JTC) wich is splitted into SubCommittees which research special areas. For Multimedia the SubCommittees(SC) SC23 "Digital Storage Media for information interchange", SC24 "Computer graphics, image processing and environmental data representation" and SC29 "Coding of audio, picture, multimedia and hypermedia information" are important.

The following standards are Multimedia related:
By ISO/IEC JTC1/SC29/WG1:
* ISO/IEC IS 10918 and ITU-T T.81 (JPEG)
* ISO/IEC IS 11544 and ITU-T T.82 (JBIG)
* ??? (JPEG2000)
By ISO/IEC JTC1/SC29/WG11:
* ISO/IEC TR 11172 Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s (aka MPEG1)
* ISO/IEC 13818 Generic coding of moving pictures and associated audio information (aka MPEG2)
* ISO/IEC 14496 Coding of audio-visual objects (aka MPEG4)
* ISO/IEC 15938 Multimedia content description interface (aka MPEG7)
* ISO/IEC 21000 Multimedia framework (aka MPEG21)
* ISO/IEC 23000 Multimedia Application Formats (aka MPEG-A)
* ISO/IEC 23001 MPEG Systems Technologies
* ISO/IEC 23002 MPEG Visual Technologies
* ISO/IEC 23003 MPEG Audio Technologies
* ISO/IEC 23004 MPEG Multimedia Middleware
* ISO/IEC 25781 Universal 3D file format

Links:
*Homepage: http://www.iso.org
*public available Standards: http://isotc.iso.org/livelink/livelink/fetch/2000/2489/Ittf_Home/PubliclyAvailableStandards.htm

[[Category:Multimedia Standards and other Specification Bodys]]

ISO/IEC JTC1/SC29

2006-06-11T15:06:59Z

Ac-chan:

International Organization for Standardization

2006-06-11T14:49:59Z

Ac-chan:

Optical Storage Technology Association

2006-06-11T14:25:04Z

Ac-chan:

Blu-Ray

2006-06-11T14:17:56Z

Ac-chan:

Blu-Ray is [[Sony]]'s successor technology to [[DVD]].

The offical Homepage of the Blu-Raydisc Association is http://www.blu-raydisc.com. There are some public available technical white papers under http://www.blu-raydisc.com/Section-13470/Section-13628/Index.html . For the filesystem used on ths media have a look at the [[Universal Disc Format| UDF]] 2.5 and 2.6 specification at http://osta.org/specs/

[[Category:Optical Multimedia Formats]]

Universal Disc Format

2006-06-11T14:16:28Z

Ac-chan:

The Universal Disc Format is the filesystem used on [[DVD]], [[Blu-Ray]] and [[HD-DVD]].

This format is specified by the Optical Storage Technology Association(OSTA). Ther Hompage is http://osta.org/

Blu-Ray

2006-06-11T14:12:39Z

Ac-chan: extent with infos where to find specifications

Blu-Ray is [[Sony]]'s successor technology to [[DVD]].

The offical Homepage of the Blu-Raydisc Association is http://www.blu-raydisc.com. There are some public available technical white papers under http://www.blu-raydisc.com/Section-13470/Section-13628/Index.html . For the filesystem used on ths media have a look at the UDF 2.5 and 2.6 specification at http://osta.org/specs/

[[Category:Optical Multimedia Formats]]

Colorspace

2006-06-11T13:57:07Z

Ac-chan: added category

A Colorspace a a way to define a color. The two main types/groups are RGB and YUV.

here is a list of colorspaces:
* [[RGB]]
* [[BGR]]
* [[RGB24]]
* [[RGB32]]
* [[YUV]]
* [[YV12]]
* [[HSL]]
* [[HSB]]
* [[CMYK]]
* [[CMY]]
* [[CIELUV]]
* [[CIELAB]]
* [[CIE 1964]]
* [[YIQ]]
* [[YDrDb]]
* [[YPrPb]]
* [[YCC]]

Under http://www.easyrgb.com/math.php is a huge list of Colorspace conversation formulas.

Standardization of Colors:
* INTERNATIONAL COMMISSION ON ILLUMINATION (CIE) http://www.cie.co.at/cie/
Division 1: Vision and Colour
Division 2: Measurement of Light and Radiation
Division 3: Interior Environment and Lighting Design
Division 4: Lighting and Signalling for Transport
Division 5: Exterior Lighting and Other Applications
Division 6: Photobiology and Photochemistry
Division 8: Image Technology

* INTERNATIONAL COLOR CONSORTIUM (ICC) http://www.color.org/
colormenagement(eg. the same color on every system PC, Mac, UNIX, Linux, DVD Players, ...)

[[Category:Compression Theory]]

Colorspace

2006-06-11T13:25:48Z

Ac-chan:

Category talk:Video FourCCs

2006-06-11T12:46:16Z

Ac-chan:

Some FourCCs are only 3 printing characters. How is the 4th byte repesnted because FourCC is a 4 byte binary string? Is it a space as first or last byte or 0x00?

TwoCC

2006-06-11T12:40:11Z

Ac-chan: correction

The TwoCC is the Audio conterpart 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. You can register your TwoCC at the Micosoft site but it seams that only some Companys use it.

* 0x0000 Microsoft Unknown Wave Format
* 0x0001 Microsoft PCM Format
* 0x0002 Microsoft ADPCM Format
* 0x0003 IEEE Float
* 0x0004 Compaq Computer VSELP (codec for Windows CE 2.0 devices)
* 0x0005 IBM CVSD
* 0x0006 Microsoft ALAW (CCITT A-Law)
* 0x0007 Microsoft MULAW (CCITT u-Law)
* 0x0008 Microsoft DTS
* 0x0009 Microsoft DRM
* 0x0010 OKI ADPCM
* 0x0011 Intel DVI ADPCM (IMA ADPCM)
* 0x0012 Videologic MediaSpace ADPCM
* 0x0013 Sierra Semiconductor ADPCM
* 0x0014 Antex Electronics G.723 ADPCM
* 0x0015 DSP Solutions DigiSTD
* 0x0016 DSP Solutions DigiFIX
* 0x0017 Dialogic OKI ADPCM
* 0x0018 MediaVision ADPCM
* 0x0019 Hewlett-Packard CU codec
* 0x0020 Yamaha ADPCM
* 0x0021 Speech Compression SONARC
* 0x0022 DSP Group True Speech
* 0x0023 Echo Speech EchoSC1
* 0x0024 Audiofile AF36
* 0x0025 Audio Processing Technology APTX
* 0x0026 AudioFile AF10
* 0x0027 Prosody 1612 codec for CTI Speech Card
* 0x0028 Merging Technologies S.A. LRC
* 0x0030 Dolby Labs AC2
* 0x0031 Microsoft GSM 6.10
* 0x0032 MSNAudio
* 0x0033 Antex Electronics ADPCME
* 0x0034 Control Resources VQLPC
* 0x0035 DSP Solutions DigiREAL
* 0x0036 DSP Solutions DigiADPCM
* 0x0037 Control Resources CR10
* 0x0038 Natural MicroSystems VBXADPCM
* 0x0039 Roland RDAC (Crystal Semiconductor IMA ADPCM)
* 0x003A Echo Speech EchoSC3
* 0x003B Rockwell ADPCM
* 0x003C Rockwell Digit LK
* 0x003D Xebec Multimedia Solutions
* 0x0040 Antex Electronics G.721 ADPCM
* 0x0041 Antex Electronics G.728 CELP
* 0x0042 Microsoft MSG723
* 0x0043 IBM AVC ADPCM
* 0x0045 ITU-T G.726 ADPCM
* 0x0050 MPEG-1 layer 1, 2
* 0x0052 InSoft RT24 (ACM codec is an alternative codec)
* 0x0053 InSoft PAC
* 0x0055 MPEG-1 Layer 3 (MP3)
* 0x0059 Lucent G.723
* 0x0060 Cirrus Logic
* 0x0061 ESS Technology ESPCM / Duck DK4 ADPCM
* 0x0062 Voxware file-mode codec / Duck DK3 ADPCM
* 0x0063 Canopus Atrac
* 0x0064 APICOM G.726 ADPCM
* 0x0065 APICOM G.722 ADPCM
* 0x0066 Microsoft DSAT
* 0x0067 Microsoft DSAT Display
* 0x0069 Voxware Byte Aligned (bitstream-mode codec)
* 0x0070 Voxware AC8 (Lernout & Hauspie CELP 4.8 kbps)
* 0x0071 Voxware AC10 (Lernout & Hauspie CBS 8kbps)
* 0x0072 Voxware AC16 (Lernout & Hauspie CBS 12kbps)
* 0x0073 Voxware AC20 (Lernout & Hauspie CBS 16kbps)
* 0x0074 Voxware MetaVoice (file and stream oriented)
* 0x0075 Voxware MetaSound (file and stream oriented)
* 0x0076 Voxware RT29HW
* 0x0077 Voxware VR12
* 0x0078 Voxware VR18
* 0x0079 Voxware TQ40
* 0x0080 Softsound
* 0x0081 Voxware TQ60
* 0x0082 Microsoft MSRT24 (ACM codec is an alternative codec)
* 0x0083 AT&T Labs G.729A
* 0x0084 Motion Pixels MVI MV12
* 0x0085 DataFusion Systems G.726
* 0x0086 DataFusion Systems GSM610
* 0x0088 Iterated Systems ISIAudio
* 0x0089 Onlive
* 0x0091 Siemens Business Communications SBC24
* 0x0092 Sonic Foundry Dolby AC3 SPDIF
* 0x0093 MediaSonic G.723
* 0x0094 Aculab PLC Prosody 8KBPS
* 0x0097 ZyXEL ADPCM
* 0x0098 Philips LPCBB
* 0x0099 Studer Professional Audio AG Packed
* 0x00A0 Malden Electronics PHONYTALK
* 0x00FF AAC
* 0x0100 Rhetorex ADPCM
* 0x0101 IBM mu-law / BeCubed Software IRAT
* 0x0102 IBM A-law
* 0x0103 IBM AVC ADPCM
* 0x0111 Vivo G.723
* 0x0112 Vivo Siren
* 0x0123 Digital G.723
* 0x0125 Sanyo LD ADPCM
* 0x0130 Sipro Lab Telecom ACELP.net
* 0x0131 Sipro Lab Telecom ACELP.4800
* 0x0132 Sipro Lab Telecom ACELP.8V3
* 0x0133 Sipro Lab Telecom ACELP.G.729
* 0x0134 Sipro Lab Telecom ACELP.G.729A
* 0x0135 Sipro Lab Telecom ACELP.KELVIN
* 0x0140 Dictaphone G.726 ADPCM
* 0x0150 Qualcomm PureVoice
* 0x0151 Qualcomm HalfRate
* 0x0155 Ring Zero Systems TUB GSM
* 0x0160 Windows Media Audio V1 / DivX audio (WMA)
* 0x0161 Windows Media Audio V2 V7 V8 V9 / DivX audio (WMA) / Alex AC3 Audio
* 0x0162 Windows Media Audio Professional V9
* 0x0163 Windows Media Audio Lossless V9
* 0x0170 UNISYS NAP ADPCM
* 0x0171 UNISYS NAP ULAW
* 0x0172 UNISYS NAP ALAW
* 0x0173 UNISYS NAP 16K
* 0x0200 Creative Labs ADPCM
* 0x0202 Creative Labs FastSpeech8
* 0x0203 Creative Labs FastSpeech10
* 0x0210 UHER Informatic ADPCM
* 0x0215 Ulead DV ACM
* 0x0216 Ulead DV ACM
* 0x0220 Quarterdeck
* 0x0230 I-link Worldwide ILINK VC
* 0x0240 Aureal Semiconductor RAW SPORT
* 0x0241 ESST AC3
* 0x0250 Interactive Products HSX
* 0x0251 Interactive Products RPELP
* 0x0260 Consistent Software CS2
* 0x0270 Sony ATRAC3 (SCX, same as MiniDisk LP2)
* 0x0300 Fujitsu FM TOWNS SND
* 0x0400 BTV Digital (Brooktree digital audio format)
* 0x0401 Intel Music Coder (IMC)
* 0x0402 Ligos Indeo Audio
* 0x0450 QDesign Music
* 0x0680 AT&T Labs VME VMPCM
* 0x0681 AT&T Labs TPC
* 0x0700 YMPEG Alpha (dummy for MPEG-2 compressor)
* 0x08AE ClearJump LiteWave
* 0x1000 Olivetti GSM
* 0x1001 Olivetti ADPCM
* 0x1002 Olivetti CELP
* 0x1003 Olivetti SBC
* 0x1004 Olivetti OPR
* 0x1100 Lernout & Hauspie codec
* 0x1101 Lernout & Hauspie CELP codec
* 0x1102 Lernout & Hauspie SBC codec
* 0x1103 Lernout & Hauspie SBC codec
* 0x1104 Lernout & Hauspie SBC codec
* 0x1400 Norris Communication
* 0x1401 AT&T Labs ISIAudio
* 0x1500 AT&T Labs Soundspace Music Compression
* 0x181C VoxWare RT24 speech codec
* 0x181E Lucent elemedia AX24000P Music codec
* 0x1C07 Lucent SX8300P speech codec
* 0x1C0C Lucent SX5363S G.723 compliant codec
* 0x1F03 CUseeMe DigiTalk (ex-Rocwell)
* 0x1FC4 NCT Soft ALF2CD ACM
* 0x2000 Dolby AC3 / FAST Multimedia AG DVM
* 0x2001 Dolby DTS (Digital Theater System)
* 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)
* 0x3313 makeAVIS (ffvfw fake AVI sound from AviSynth scripts)
* 0x4143 Divio MPEG-4 AAC audio
* 0x434C LEAD Speech
* 0x564C LEAD Vorbis
* 0x674f Ogg Vorbis (mode 1)
* 0x6750 Ogg Vorbis (mode 2)
* 0x6751 Ogg Vorbis (mode 3)
* 0x676f Ogg Vorbis (mode 1+)
* 0x6770 Ogg Vorbis (mode 2+)
* 0x6771 Ogg Vorbis (mode 3+)
* 0x7A21 GSM-AMR (CBR, no SID)
* 0x7A22 GSM-AMR (VBR, including SID)
* 0xDFAC DebugMode SonicFoundry Vegas FrameServer ACM Codec
* 0xF1AC Free Lossless Audio Codec FLAC
* 0xFFFE Extensible wave format
* 0xFFFF In Development / Unregistered

TwoCC

2006-06-11T12:36:13Z

Ac-chan:

The TwoCC is the Audio conterpart to the Video FourCC. It is the Audio format identifier used in the [[RIFF]] based multimedia formats by Microsoft(.wav and .avi).

0x0000 Microsoft Unknown Wave Format
0x0001 Microsoft PCM Format
0x0002 Microsoft ADPCM Format
0x0003 IEEE Float
0x0004 Compaq Computer VSELP (codec for Windows CE 2.0 devices)
0x0005 IBM CVSD
0x0006 Microsoft ALAW (CCITT A-Law)
0x0007 Microsoft MULAW (CCITT u-Law)
0x0008 Microsoft DTS
0x0009 Microsoft DRM
0x0010 OKI ADPCM
0x0011 Intel DVI ADPCM (IMA ADPCM)
0x0012 Videologic MediaSpace ADPCM
0x0013 Sierra Semiconductor ADPCM
0x0014 Antex Electronics G.723 ADPCM
0x0015 DSP Solutions DigiSTD
0x0016 DSP Solutions DigiFIX
0x0017 Dialogic OKI ADPCM
0x0018 MediaVision ADPCM
0x0019 Hewlett-Packard CU codec
0x0020 Yamaha ADPCM
0x0021 Speech Compression SONARC
0x0022 DSP Group True Speech
0x0023 Echo Speech EchoSC1
0x0024 Audiofile AF36
0x0025 Audio Processing Technology APTX
0x0026 AudioFile AF10
0x0027 Prosody 1612 codec for CTI Speech Card
0x0028 Merging Technologies S.A. LRC
0x0030 Dolby Labs AC2
0x0031 Microsoft GSM 6.10
0x0032 MSNAudio
0x0033 Antex Electronics ADPCME
0x0034 Control Resources VQLPC
0x0035 DSP Solutions DigiREAL
0x0036 DSP Solutions DigiADPCM
0x0037 Control Resources CR10
0x0038 Natural MicroSystems VBXADPCM
0x0039 Roland RDAC (Crystal Semiconductor IMA ADPCM)
0x003A Echo Speech EchoSC3
0x003B Rockwell ADPCM
0x003C Rockwell Digit LK
0x003D Xebec Multimedia Solutions
0x0040 Antex Electronics G.721 ADPCM
0x0041 Antex Electronics G.728 CELP
0x0042 Microsoft MSG723
0x0043 IBM AVC ADPCM
0x0045 ITU-T G.726 ADPCM
0x0050 MPEG-1 layer 1, 2
0x0052 InSoft RT24 (ACM codec is an alternative codec)
0x0053 InSoft PAC
0x0055 MPEG-1 Layer 3 (MP3)
0x0059 Lucent G.723
0x0060 Cirrus Logic
0x0061 ESS Technology ESPCM / Duck DK4 ADPCM
0x0062 Voxware file-mode codec / Duck DK3 ADPCM
0x0063 Canopus Atrac
0x0064 APICOM G.726 ADPCM
0x0065 APICOM G.722 ADPCM
0x0066 Microsoft DSAT
0x0067 Microsoft DSAT Display
0x0069 Voxware Byte Aligned (bitstream-mode codec)
0x0070 Voxware AC8 (Lernout & Hauspie CELP 4.8 kbps)
0x0071 Voxware AC10 (Lernout & Hauspie CBS 8kbps)
0x0072 Voxware AC16 (Lernout & Hauspie CBS 12kbps)
0x0073 Voxware AC20 (Lernout & Hauspie CBS 16kbps)
0x0074 Voxware MetaVoice (file and stream oriented)
0x0075 Voxware MetaSound (file and stream oriented)
0x0076 Voxware RT29HW
0x0077 Voxware VR12
0x0078 Voxware VR18
0x0079 Voxware TQ40
0x0080 Softsound
0x0081 Voxware TQ60
0x0082 Microsoft MSRT24 (ACM codec is an alternative codec)
0x0083 AT&T Labs G.729A
0x0084 Motion Pixels MVI MV12
0x0085 DataFusion Systems G.726
0x0086 DataFusion Systems GSM610
0x0088 Iterated Systems ISIAudio
0x0089 Onlive
0x0091 Siemens Business Communications SBC24
0x0092 Sonic Foundry Dolby AC3 SPDIF
0x0093 MediaSonic G.723
0x0094 Aculab PLC Prosody 8KBPS
0x0097 ZyXEL ADPCM
0x0098 Philips LPCBB
0x0099 Studer Professional Audio AG Packed
0x00A0 Malden Electronics PHONYTALK
0x00FF AAC
0x0100 Rhetorex ADPCM
0x0101 IBM mu-law / BeCubed Software IRAT
0x0102 IBM A-law
0x0103 IBM AVC ADPCM
0x0111 Vivo G.723
0x0112 Vivo Siren
0x0123 Digital G.723
0x0125 Sanyo LD ADPCM
0x0130 Sipro Lab Telecom ACELP.net
0x0131 Sipro Lab Telecom ACELP.4800
0x0132 Sipro Lab Telecom ACELP.8V3
0x0133 Sipro Lab Telecom ACELP.G.729
0x0134 Sipro Lab Telecom ACELP.G.729A
0x0135 Sipro Lab Telecom ACELP.KELVIN
0x0140 Dictaphone G.726 ADPCM
0x0150 Qualcomm PureVoice
0x0151 Qualcomm HalfRate
0x0155 Ring Zero Systems TUB GSM
0x0160 Windows Media Audio V1 / DivX audio (WMA)
0x0161 Windows Media Audio V2 V7 V8 V9 / DivX audio (WMA) / Alex AC3 Audio
0x0162 Windows Media Audio Professional V9
0x0163 Windows Media Audio Lossless V9
0x0170 UNISYS NAP ADPCM
0x0171 UNISYS NAP ULAW
0x0172 UNISYS NAP ALAW
0x0173 UNISYS NAP 16K
0x0200 Creative Labs ADPCM
0x0202 Creative Labs FastSpeech8
0x0203 Creative Labs FastSpeech10
0x0210 UHER Informatic ADPCM
0x0215 Ulead DV ACM
0x0216 Ulead DV ACM
0x0220 Quarterdeck
0x0230 I-link Worldwide ILINK VC
0x0240 Aureal Semiconductor RAW SPORT
0x0241 ESST AC3
0x0250 Interactive Products HSX
0x0251 Interactive Products RPELP
0x0260 Consistent Software CS2
0x0270 Sony ATRAC3 (SCX, same as MiniDisk LP2)
0x0300 Fujitsu FM TOWNS SND
0x0400 BTV Digital (Brooktree digital audio format)
0x0401 Intel Music Coder (IMC)
0x0402 Ligos Indeo Audio
0x0450 QDesign Music
0x0680 AT&T Labs VME VMPCM
0x0681 AT&T Labs TPC
0x0700 YMPEG Alpha (dummy for MPEG-2 compressor)
0x08AE ClearJump LiteWave
0x1000 Olivetti GSM
0x1001 Olivetti ADPCM
0x1002 Olivetti CELP
0x1003 Olivetti SBC
0x1004 Olivetti OPR
0x1100 Lernout & Hauspie codec
0x1101 Lernout & Hauspie CELP codec
0x1102 Lernout & Hauspie SBC codec
0x1103 Lernout & Hauspie SBC codec
0x1104 Lernout & Hauspie SBC codec
0x1400 Norris Communication
0x1401 AT&T Labs ISIAudio
0x1500 AT&T Labs Soundspace Music Compression
0x181C VoxWare RT24 speech codec
0x181E Lucent elemedia AX24000P Music codec
0x1C07 Lucent SX8300P speech codec
0x1C0C Lucent SX5363S G.723 compliant codec
0x1F03 CUseeMe DigiTalk (ex-Rocwell)
0x1FC4 NCT Soft ALF2CD ACM
0x2000 Dolby AC3 / FAST Multimedia AG DVM
0x2001 Dolby DTS (Digital Theater System)
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)
0x3313 makeAVIS (ffvfw fake AVI sound from AviSynth scripts)
0x4143 Divio MPEG-4 AAC audio
0x434C LEAD Speech
0x564C LEAD Vorbis
0x674f Ogg Vorbis (mode 1)
0x6750 Ogg Vorbis (mode 2)
0x6751 Ogg Vorbis (mode 3)
0x676f Ogg Vorbis (mode 1+)
0x6770 Ogg Vorbis (mode 2+)
0x6771 Ogg Vorbis (mode 3+)
0x7A21 GSM-AMR (CBR, no SID)
0x7A22 GSM-AMR (VBR, including SID)
0xDFAC DebugMode SonicFoundry Vegas FrameServer ACM Codec
0xF1AC Free Lossless Audio Codec FLAC
0xFFFE Extensible wave format
0xFFFF In Development / Unregistered

FourCC

2006-06-11T12:25:05Z

Ac-chan: correction

'''Four Character Codes''', abbreviated as '''FourCC''' are 4 byte (32 bit) character sequences used as format identifiers in Microsofts .avi files format. But it is mostly used also for the Video identifiers of other formats(because they use also 4 Bytes) like Apple Quicktime .mov file format.

Subtitle Format List

2006-06-11T12:21:27Z

Ac-chan: added some more formats and the file extention for what i know

== Text based ==

* [[3GPPs Timed Text]]
* [[AQTitle]]
* [[HiSoftware® Hi-Caption™ SE| CC]]
* [[Closed Captions]]
* [[DVB subtitles]]
* [[DVDarchitect]] .txt
* [[Adobe Encore]] .txt
* [[JACOsub]] .jss
* [[MicroDVD]]
* [[MPEG-4 Timed Text]]
* [[MPsub]]
* [[PJS]]
* [[Pinnacle Impression DVD Pro]]
* [[RT]]
* [[Sami]]
* [[SMIL]]
* [[SMX]] .smx
* [[SonicDVD Creater]] .sup
* [[SRT]] .srt
* [[STL]] .STL(?must be uppercase?)
* [[SubScript Timing]]
* [[SubStation Alpha| SSA]] .ssa
* [[SubRip]]
* [[SubViewer]]
* [[TitleFactory| FAB]] .fab
* [[TitleFactory| SST]] .sst
* [[TitleFactory| TFA]] .tfa
* [[Universal Subtitle Format|USF]] .usf
* [[VPlayer]]
* [[W3Cs Timed Text]]

== Picture based ==

* [[CVD]]
* [[DVB subtitles]]
* [[DVD subtitles]]
* [[Philips Overlay Graphics Text|OGT]]
* [[VOBsub]]
* [[XSUB]]

JACOsub

2006-06-11T11:59:34Z

Ac-chan: add category

JACOSub is a Subtitle Editor for the AMIGA with a own file format.
* Homepage: http://unicorn.us.com/jacosub/
* file format specification: http://unicorn.us.com/jacosub/jscripts.html

Here some features of this format:
*flexible time format(time down to seconds andthen one definable subunit)
*overlaping event possible
*can use other JACOSub scripts
*much styling attributes global and as inline
*visual positioning
*comments lines and inline comments

[[Category:Subtitle Formats]]

JACOsub

2006-06-11T11:58:10Z

Ac-chan:

Category:Subtitle Formats

2006-06-11T11:42:34Z

Ac-chan: more detailed information about subtitles in general

Subtitles can be categoried by the following things: script based or pictures; embedded into multimedia files like avi, mkv and so on or in one or more seperate files

The simple script based Subtitles are formats only give a time position and the Text which should be shown. More advanced formats know also styling(color, font, font size ans so on), and positioning(visual, like centered bottom).

The best know picture based Subtitle format is the DVD subpicture format. The picture based subtitles are good for none Computer based environments like DVD Player, TV and Videoconferencing.