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The following is a list of codecs. A codec is a device or program capable of performing encoding and decoding on a digital data stream or signal. ...
An audio codec is a computer program that compresses/decompresses digital audio data according to a given audio file format or streaming audio format. ...
Non-compression formats Audio Interchange File Format (AIFF) is an audio file format standard used for storing sound data on personal computers. ...
A container format is a computer file format that can contain various types of data, compressed by means of standardized codecs. ...
The Resource Interchange File Format (RIFF) is a generic meta-format for storing data in tagged chunks. ...
WAV (or WAVE), short for Waveform audio format, is a Microsoft and IBM audio file format standard for storing audio on PCs. ...
Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual revenue of US$44. ...
Linear Pulse Code Modulation used in communications (or LPCM) is a format that is a popular choice in music production. ...
PCM is an initialism which can have different meanings: Phase Change Material Pulse-code modulation, a way to digitally encode signals representing sound and their video counterparts Potential Cancer Marker Communist Party of Mexico Plug Compatible Manufacturer Power-train control module, a computer in a car which controls the car...
WAV (or WAVE), short for Waveform audio format, is a Microsoft and IBM audio file format standard for storing audio on PCs. ...
Meridian Lossless Packing is a proprietary lossless compression technique for compressing PCM audio data. ...
For a non-technical overview of the subject, see Calculus. ...
Pulse-amplitude modulation, acronym PAM, is a form of signal modulation where the message information is encoded in the amplitude of a series of signal pulses. ...
Lossless data compression is a class of data compression algorithms that allows the exact original data to be reconstructed from the compressed data. ...
Apple Lossless (also known as Apple Lossless Encoder, ALE, or Apple Lossless Audio Codec, ALAC) is an audio codec developed by Apple Inc. ...
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MPEG-4 is a standard used primarily to compress audio and visual (AV) digital data. ...
Direct Stream Transfer is a lossless compression technique for compressing DSD audio data. ...
Dolby TrueHD logo Dolby TrueHD, from Dolby Laboratories, is an advanced lossless multi-channel audio codec, intended primarily for high-end home-entertainment equipment, such as Blu-ray Disc and HD DVD. In this application, Dolby TrueHD competes with DTS-HD Master Audio, another lossless codec from Digital Theater System. ...
Lossless data compression is a class of data compression algorithms that allow the original data to be reconstructed exactly from the compressed data. ...
Multichannel audio is the name for a variety of techniques for expanding and enriching the sound of audio playback by recording additional sound channels that can be reproduced on additional speakers. ...
HD-DVD disc HD DVD (for High Density Digital Versatile Disc) is a digital optical media format which is being developed as one standard for high-definition DVD. HD DVD is similar to the competing Blu-ray Disc, which also uses the same CD sized (120 mm diameter) optical data...
Blu-ray discs Blu-ray Disc is a next-generation optical disc format jointly developed by a group of leading consumer electronics and PC companies called the Blu_ray Disc Association (BDA), which succeeds the Blu_ray Disc Founders (BDF). ...
Meridian Lossless Packing is a proprietary lossless compression technique for compressing PCM audio data. ...
DTS logo DTS (also known as Digital Theater Systems), owned by DTS, Inc. ...
Lossless data compression is a class of data compression algorithms that allow the original data to be reconstructed exactly from the compressed data. ...
Multichannel audio is the name for a variety of techniques for expanding and enriching the sound of audio playback by recording additional sound channels that can be reproduced on additional speakers. ...
HD-DVD disc HD DVD (for High Density Digital Versatile Disc) is a digital optical media format which is being developed as one standard for high-definition DVD. HD DVD is similar to the competing Blu-ray Disc, which also uses the same CD sized (120 mm diameter) optical data...
Blu-ray discs Blu-ray Disc is a next-generation optical disc format jointly developed by a group of leading consumer electronics and PC companies called the Blu_ray Disc Association (BDA), which succeeds the Blu_ray Disc Founders (BDF). ...
Free Lossless Audio Codec (FLAC) is a popular file format for audio data compression. ...
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Lossless Predictive Audio Compression (LPAC) is an improved lossless audio compression algorithm developed by Tilman Liebchen, Marcus Purat and Peter Noll at Institute for Telecommunications, Technical University Berlin (TU Berlin), to compress PCM audio in a lossless manner, unlike conventional audio compression algorithms which are lossy. ...
Lossless Transform Audio Compression (LTAC) is a compression algorithm developed by Tilman Liebchen, Marcus Purat and Peter Noll at Institute for Telecommunications, Technical University Berlin (TU Berlin), to compress PCM audio in a lossless manner, unlike conventional lossy audio compression algorithms (like MP3). ...
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Meridian Lossless Packing is a proprietary lossless compression technique for compressing PCM audio data. ...
The DVD-Audio logo. ...
Monkey’s Audio is a lossless audio compression codec. ...
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RealAudio is a proprietary audio format developed by RealNetworks. ...
SHN (Shorten) is a file format used to losslessly compress CD-quality audio files (44. ...
True Audio (abbreviated TTA) is a free, simple real-time lossless audio codec, based on adaptive prognostic filters which has shown satisfactory results comparing to majority of modern analogs. ...
WavPack is a free, open source lossless audio compression format developed by David Bryant. ...
Windows Media Audio 9 Lossless is a lossless data lossless audio codec by Microsoft, released in early 2003. ...
A lossy data compression method is one where compressing data and then decompressing it retrieves data that may well be different from the original, but is close enough to be useful in some way. ...
General (medium to high bit rate) In telecommunications and computing, bit rate (sometimes written bitrate) is the frequency at which bits are passing a given (physical or metaphorical) point. It is quantified using the bit per second (bit/s) unit. ...
Pulse-code modulation (PCM) is a digital representation of an analog signal where the magnitude of the signal is sampled regularly at uniform intervals, then quantized to a series of symbols in a digital (usually binary) code. ...
ADX is a lossy proprietary audio storage and compression format developed by CRI Middleware specifically for use in video games. ...
Adaptive Transform Acoustic Coding (ATRAC) is a family of proprietary audio compression algorithms developed by Sony. ...
See also IBMs VM operating system family, where minidisk refers to a logical unit of storage. ...
Dolby Digital is the marketing name for a series of lossy audio compression technologies by Dolby Laboratories. ...
DTS Coherent Acoustics is the full name for the audio format standard usually known as just DTS. It is covered in U.S. Patent 5,956,674. ...
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MP2 (sometimes incorrectly named Musicam) is a short form of MPEG-1 Audio Layer II, and it is also used as a file extension for files containing audio data of this type. ...
The Moving Picture Experts Group or MPEG is a working group of ISO/IEC charged with the development of video and audio encoding standards. ...
The Moving Picture Experts Group or MPEG is a working group of ISO/IEC charged with the development of video and audio encoding standards. ...
For LP MPEG-1 Audio Layer 3, more commonly referred to as MP3, is a popular audio encoding format. ...
The Moving Picture Experts Group or MPEG is a working group of ISO/IEC charged with the development of video and audio encoding standards. ...
The Moving Picture Experts Group or MPEG is a working group of ISO/IEC charged with the development of video and audio encoding standards. ...
Advanced Audio Coding (AAC) is a standardized, lossy compression and encoding scheme for digital audio. ...
The Moving Picture Experts Group or MPEG is a working group of ISO/IEC charged with the development of video and audio encoding standards. ...
The Moving Picture Experts Group or MPEG is a working group of ISO/IEC charged with the development of video and audio encoding standards. ...
High Efficiency AAC (HE-AAC) is a lossy data compression scheme for digital audio. ...
HILN or Harmonic and Individual Lines and Noise is a parametric audio codec for audio. ...
Musepack or MPC is an open source lossy audio codec, specifically optimized for transparent compression of stereo audio at bitrates of 160-180 kbit/s. ...
Perceptual Audio Coding (PAC) is an algorithm, like MPEGs MP3 standard, used to compress digital audio by removing extraneous information not perceived by most people. ...
The QDesign Music Codec was originally LBpack, by Dmitry Shmunk. ...
TwinVQ (transform-domain weighted interleaved vector quantization) is an audio compression technique developed by Nippon Telegraph and Telephone Corporation (NTT). ...
Vorbis is an open source, lossy audio codec project headed by the Xiph. ...
Windows Media Audio (WMA) is brand name for several technically distinct proprietary compressed audio file formats developed by Microsoft. ...
(low bit rate, optimized for speech) Speech coding is the compression of speech (into a code) for transmission with speech codecs that use audio signal processing and speech processing techniques. ...
Advanced Multi-Band Excitation is a speech coding standard developed by Digital Voice Systems, Inc. ...
Algebraic Code Excited Linear Prediction or ACELP is a speech encoding algorithm where a limited set of pulses is distributed as excitation to linear prediction filter. ...
CELP stands for Code Excited Linear Prediction and is a speech coding algorithm originally proposed by M.R. Schroeder and B.S. Atal in 1984. ...
Continuously variable slope delta modulation (CVSD or CVSDM) is a voice coding method. ...
Digital Speech Standard (DSS) is a proprietary compressed digital audio format defined by the International Voice Association, a co-operative venture by Olympus, Philips and Grundig. ...
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FS-1015 is a secure telephony speech coding standard developed by the U.S. Department of Defence (DoD) and later by NATO. The standard was finished 1984. ...
FS-1016 is a secure telephony speech coding standard developed by the U.S. Department of Defence (DoD). ...
G.711 is an ITU-T standard for audio companding. ...
G.726 is an ITU-T ADPCM speech codec standard covering the transmission of voice at rates of 16, 24, 32, and 40 kbit/s. ...
G.722 is a ITU-T standard wideband speech codec operating at 32-64 kbit/s. ...
G.722. ...
Adaptive Multi Rate - WideBand or AMR-WB is a speech coding standard developed after the AMR using same technology like ACELP. The codec provides excellent speech quality due to wider speech bandwidth of 50 - 7000 Hz compared to narrowband speech codecs which in general are optimized for POTS wireline quality...
This article is in need of attention from an expert on the subject. ...
G.723. ...
G.726 is ITU-T speech codec operating at bit rates of 16-40 kbit/s. ...
G.728 is a ITU-T standard for speech coding operating at 16 kbit/s. ...
G.729 is an audio data compression algorithm for voice that compresses voice audio in chunks of 10 milliseconds. ...
G.729 is an audio data compression algorithm for voice that compresses voice audio in chunks of 10 milliseconds. ...
The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ...
The Global System for Mobile communications (GSM: originally from Groupe Spécial Mobile) is the most popular standard for mobile phones in the world. ...
Full Rate or FR or GSM-FR was the first digital speech coding standard used in GSM digital mobile phone system. ...
Half Rate or HR or GSM-HR is a speech encoding system for GSM developed in the early 1990s. ...
Enhanced Full Rate or EFR or GSM-EFR is a speech coding standard that was developed in order to improve the quite poor quality of GSM-Full Rate (FR) codec. ...
Adaptive Multi-Rate (AMR) is a Audio data compression scheme optimized for speech coding. ...
Adaptive Multi Rate - WideBand or AMR-WB is a speech coding standard developed after the AMR using same technology like ACELP. The codec provides excellent speech quality due to wider speech bandwidth of 50 - 7000 Hz compared to narrowband speech codecs which in general are optimized for POTS wireline quality...
AMR-WB+ is an audio codec that extends AMR-WB. It adds support for stereo signals and higher sampling rates. ...
Harmonic Vector Excitation Coding, abbreviated as HVXC is a speech coding algorithm used in MPEG-4 standard for very low bit rate speech coding. ...
internet Low Bit Rate Codec (iLBC) is a royalty free narrowband speech codec, developed by Global IP Sound (GIPS). ...
Improved Multi-Band Excitation (IMBE) is a proprietary vocoder developed by Digital Voice Systems, Inc. ...
internet Speech Audio Codec (iSAC) is a wideband speech codec, developed by Global IP Sound (GIPS). ...
Mixed Excitation Linear Prediction is a DoD speech coding standard used mainly in military applications and satellite communications. ...
QCELP is a speech codec developed in 1994 to increase the speech quality of the IS-96A codec used earlier in CDMA networks. ...
Relaxed Code Excited Linear Prediction (RCELP) is a method used in some advanced speech codecs. ...
SMV (Selectable Mode Vocoder) is speech coding standard used in CDMA-2000 networks. ...
Speex is a free software speech codec that claims to be unencumbered by patent restrictions. ...
Vector Sum Excited Linear Prediction (VSELP) is a speech coding method used in the IS-54 standard. ...
Text codecs Ogg Writ is a text-phrase codec used with the Ogg encapsulation format. ...
A video codec is a device or software module that enables video compression or decompression for digital video. ...
Lossless data compression is a class of data compression algorithms that allows the exact original data to be reconstructed from the compressed data. ...
CorePNG is a lossless codec based on PNG. Essentially, each frame is compressed as a PNG, so if PNG does it, this codec does too. ...
H.264 is a high compression digital video codec standard written by the ITU-T Video Coding Experts Group (VCEG) together with the ISO/IEC Moving Picture Experts Group (MPEG) as the product of a collective partnership effort known as the Joint Video Team (JVT). ...
H.264, MPEG-4 Part 10, or AVC, for Advanced Video Coding, is a digital video codec standard which is noted for achieving very high data compression. ...
H.264, or MPEG-4 Part 10, is a high compression digital video codec standard written by the ITU-T Video Coding Experts Group (VCEG) together with the ISO/IEC Moving Picture Experts Group (MPEG) as the product of a collective partnership effort known as the Joint Video Team (JVT). ...
x264 is a free software library for encoding H.264/MPEG-4 AVC video streams. ...
CoreAVC is a video decoder developed by CoreCodec, implementing the MPEG-4 AVC standard (also known as H.264) used, for example, in next-generation video disc formats HD DVD and Blu-Ray. ...
Huffyuv (or HuffYUV) is a very fast, lossless Win32 video codec written by Ben Rudiak-Gould, meant to replace uncompressed YUV as a video capture format. ...
Lagarith is an open source lossless video codec written by Ben Goldman. ...
MSU Lossless video codec is an lossless video codec written by MSU Graphics&Media Lab Video Group. ...
A lossy data compression method is one where compressing data and then decompressing it retrieves data that may well be different from the original, but is close enough to be useful in some way. ...
The Peoples Republic of China government is supporting an effort to develop own standard for compressing digital audio and video, to assert its technological independence from the rest of the world. ...
This article is being considered for deletion in accordance with Wikipedias deletion policy. ...
Compressed with Cinepak, quality 40% Cinepak is a video codec, developed by Radius Inc to accommodate 1x (150 kbyte/s) CD-ROM transfer rates. ...
Dirac is a prototype algorithm for the encoding and decoding (see codec) of raw video. ...
This article is being considered for deletion in accordance with Wikipedias deletion policy. ...
H.261 is an 1990 ITU video coding standard originally designed for transmission over ISDN lines on which data rates are multiples of 64 kbit/s. ...
H.263 is a video codec designed by the ITU-T as a low-bitrate encoding solution for videoconferencing. ...
MPEG-4 Part 2 is a video compression technology developed by MPEG. It belongs to the MPEG-4 ISO/IEC standard (ISO/IEC 14496-2). ...
MPEG-4 Part 2 is a video compression technology developed by MPEG. It belongs to the MPEG-4 ISO/IEC standard (ISO/IEC 14496-2). ...
3ivx is a video codec created by 3ivx Technologies. ...
Nero Digital is a suite of MPEG-4-compatible video and audio compression codecs integrated into a DVD ripping tool, Recode 2. ...
DivX is a brand name of products created by DivX, Inc. ...
FFmpeg is a collection of free software that can record, convert and stream digital audio and video. ...
Xvid (formerly XviD) is a video codec library following the MPEG-4 standard. ...
H.264 is a high compression digital video codec standard written by the ITU-T Video Coding Experts Group (VCEG) together with the ISO/IEC Moving Picture Experts Group (MPEG) as the product of a collective partnership effort known as the Joint Video Team (JVT). ...
H.264, MPEG-4 Part 10, or AVC, for Advanced Video Coding, is a digital video codec standard which is noted for achieving very high data compression. ...
H.264, or MPEG-4 Part 10, is a high compression digital video codec standard written by the ITU-T Video Coding Experts Group (VCEG) together with the ISO/IEC Moving Picture Experts Group (MPEG) as the product of a collective partnership effort known as the Joint Video Team (JVT). ...
CoreAVC is a video decoder developed by CoreCodec, implementing the MPEG-4 AVC standard (also known as H.264) used, for example, in next-generation video disc formats HD DVD and Blu-Ray. ...
HDX4 is a MPEG4 codec developed by a German company named Jomigo Visual Technology. ...
Nero Digital is a suite of MPEG-4-compatible video and audio compression codecs integrated into a DVD ripping tool, Recode 2. ...
QuickTime is a multimedia framework developed by Apple Inc. ...
The Sorenson codec (also known as Sorenson Video Codec 3 or SVQ3) is a digital video codec devised by the company Sorenson Media and used by Apples QuickTime and the newest version of Macromedia Flash, a special version called Sorenson Spark. ...
x264 is a free software library for encoding H.264/MPEG-4 AVC video streams. ...
Indeo Video (commonly known now simply as Indeo) is a video codec developed by Intel in 1992. ...
KVCD stands for K Video Compression Dynamics which is a non-standard modification of the MPEG-1 and MPEG-2 video standards for encoding digital video. ...
Motion JPEG (M-JPEG) is an informal name for multimedia formats where each video frame or interlaced field of a digital video sequence is separately compressed as a JPEG image. ...
MPEG-1 defines a group of Audio and Video (AV) coding and compression standards agreed upon by MPEG (Moving Picture Experts Group). ...
MPEG-2 is a standard for the generic coding of moving pictures and associated audio information [1]. It is widely used around the world to specify the format of the digital television signals that are broadcast by terrestrial (over-the-air), cable, and direct broadcast satellite TV systems. ...
MPEG-4 Part 2 is a video compression technology developed by MPEG. It belongs to the MPEG-4 ISO/IEC standard (ISO/IEC 14496-2). ...
H.264 is a high compression digital video codec standard written by the ITU-T Video Coding Experts Group (VCEG) together with the ISO/IEC Moving Picture Experts Group (MPEG) as the product of a collective partnership effort known as the Joint Video Team (JVT). ...
H.264 is a high compression digital video codec standard written by the ITU-T Video Coding Experts Group (VCEG) together with the ISO/IEC Moving Picture Experts Group (MPEG) as the product of a collective partnership effort known as the Joint Video Team (JVT). ...
On2 Technologies is the developer behind the VP5 and VP6 codecs powering the video part of the Chinese-developed competitor to DVD, the EVD (Enhanced Versatile Disc). ...
VP3 was originally a proprietary video codec developed by On2 Technologies. ...
TrueMotion VP6 is a video codec developed by On2 Technologies as a successor to earlier efforts such as VP3 and VP5. ...
TrueMotion VP7 is a video codec developed by On2 Technologies as a successor to earlier efforts such as VP3, VP5 and TrueMotion VP6. ...
An editor has expressed a concern that the subject of the article does not satisfy the notability guideline or one of the following guidelines for inclusion on Wikipedia: Biographies, Books, Companies, Fiction, Music, Neologisms, Numbers, Web content, or several proposals for new guidelines. ...
Pixlet is a video codec created by Apple Computer and based on wavelets, designed to enable viewing of full resolution, high resolution movies in real time at low DV data rates. ...
RealVideo is a proprietary video format developed by RealNetworks. ...
Snow is an experimental video codec developed by Michael Niedermayer for the FFmpeg package. ...
This page is about the video compression codec. ...
Theora is a video codec being developed by the Xiph. ...
VC-1 is the informal name of the SMPTE 421M video codec standard initially developed by Microsoft. ...
HD-DVD disc HD DVD (for High Density Digital Versatile Disc) is a digital optical media format which is being developed as one standard for high-definition DVD. HD DVD is similar to the competing Blu-ray Disc, which also uses the same CD sized (120 mm diameter) optical data...
Blu-ray discs Blu-ray Disc is a next-generation optical disc format jointly developed by a group of leading consumer electronics and PC companies called the Blu_ray Disc Association (BDA), which succeeds the Blu_ray Disc Founders (BDF). ...
Windows Media Video (WMV) is a generic name for the set of video codec technologies developed by Microsoft. ...
Advanced Systems Format (formerly Advanced Streaming Format) is Microsofts proprietary digital audio/digital video container format, especially meant for streaming media. ...
Other Audio Video Interleave (AVI) is not a codec, rather it is a container format, like Matroska, that many video codecs can use. // Audio Video Interleave, known by its acronym AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows technology. ...
A container format is a computer file format that can contain various types of data, compressed by means of standardized codecs. ...
Matroska (common file extensions being . ...
See also Image File history File links Portal. ...
This is a listing of open source multimedia codecs and containers. ...
This article or section is in need of attention from an expert on the subject. ...
The following tables compare general and technical information for a variety of audio codecs. ...
This table compares features of container formats. ...
The following is a list of video players. ...
The following tables compare general and technical information for a number of media player programs. ...
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