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205 relations: Adaptive Multi-Rate audio codec, Adaptive Multi-Rate Wideband, Adaptive Transform Acoustic Coding, Adler-32, Adobe Flash Player, Advanced Audio Coding, Advanced Encryption Standard, Advanced Systems Format, Algorithm, AmigaOS, Android (operating system), Apple Inc., Apple Lossless, Apple ProRes, Apple Video, ARM architecture, Asao (codec), Audio Lossless Coding, Audio Video Interleave, Audio Video Standard, AVCHD, Avid DNxHD, AviSynth, Base64, Berkeley Software Distribution, Bink Video, C (programming language), CamStudio, Cease and desist, Cinepak, Codec, Color space, Command-line interface, Communication protocol, Computer program, Cook Codec, Core Audio Format, Creative Technology, Cyclic redundancy check, Data Encryption Standard, Debian, DEC Alpha, Digital container format, Digital Picture Exchange, Dirac (video compression format), DivX, Dolby Digital, Dolby Digital Plus, Dolby Laboratories, Dolby TrueHD, ..., DTS (sound system), DVD Forum, Entropy encoding, Fabrice Bellard, FFmpeg, FFV1, File format, FLAC, Flash Video, Fork (software development), Free and open-source software, Free software, Full Rate, G.711, G.722, G.723, G.723.1, G.726, G.728, G.729, General Exchange Format, Gentoo Linux, GNU General Public License, GNU Lesser General Public License, Google Summer of Code, Gopher (protocol), GSM, GStreamer, H.261, H.262/MPEG-2 Part 2, H.263, H.264/MPEG-4 AVC, High Efficiency Video Coding, High-Efficiency Advanced Audio Coding, HTTP Live Streaming, Huffyuv, Hypertext Transfer Protocol, IA-32, Id Software, Image scaling, Indeo, Intel, Interchange File Format, International Electrotechnical Commission, International Organization for Standardization, ISO base media file format, Joint Photographic Experts Group, JPEG, JPEG 2000, Lagarith, LAME, Lempel–Ziv–Oberhumer, Libavcodec, Library (computing), Libvpx, Linux, List of open-source codecs, Lossless JPEG, MacOS, Material Exchange Format, Matroska, MD5, Meridian Lossless Packing, Microsoft Media Server, Microsoft Video 1, Microsoft Windows, MIPS architecture, Monkey's Audio, MorphOS, Motion JPEG, Moving Picture Experts Group, MP3, MPEG program stream, MPEG transport stream, MPEG-1, MPEG-1 Audio Layer I, MPEG-1 Audio Layer II, MPEG-2, MPEG-4 Part 14, MPEG-4 Part 2, Mpv (media player), Multimedia, Multimedia framework, Multiplexing, MythTV, Nippon Telegraph and Telephone, Ogg, On2 Technologies, OpenMG, Opus (audio format), PowerPC, Pseudonym, QDesign, Qualcomm code-excited linear prediction, QuickDraw, QuickTime, QuickTime Animation, QuickTime File Format, QuickTime Graphics, RC4, Real Data Transport, Real Time Streaming Protocol, Real-Time Messaging Protocol, Real-time Transport Protocol, RealAudio, RealPlayer, RealVideo, RenderWare, Sample-rate conversion, Session Description Protocol, SHA-1, Shorten (file format), Sierra Entertainment, SimCity 3000, Simple DirectMedia Layer, Sintel, Smacker video, Society of Motion Picture and Television Engineers, Software patent, Sony, Sorenson Media, SPARC, Speex, Theora, Transcoding, Transmission Control Protocol, Truespeech, TTA (codec), TwinVQ, Ubuntu (operating system), User Datagram Protocol, VC-1, Vector sum excited linear prediction, VLC media player, VMware, Vorbis, Voyeur (video game), VP3, VP6, VP8, WavPack, WebM, WebP, Westwood Studios, Windows Media Audio, Windows Media Center, Windows Media Player, Windows Media Video, Wing Commander (video game), X264, X86-64, Xvid, 3GP and 3G2, 3GPP, 8SVX. Expand index (155 more) »
Adaptive Multi-Rate audio codec
The Adaptive Multi-Rate (AMR or AMR-NB or GSM-AMR) audio codec is an audio compression format optimized for speech coding.
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Adaptive Multi-Rate Wideband
Adaptive Multi-Rate Wideband (AMR-WB) is a patented wideband speech audio coding standard developed based on Adaptive Multi-Rate encoding, using similar methodology as algebraic code excited linear prediction (ACELP).
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Adaptive Transform Acoustic Coding
Adaptive Transform Acoustic Coding (ATRAC) is a family of proprietary audio compression algorithms developed by Sony.
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Adler-32
Adler-32 is a checksum algorithm which was invented by Mark Adler in 1995, and is a modification of the Fletcher checksum.
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Adobe Flash Player
Adobe Flash Player (labeled Shockwave Flash in Internet Explorer and Firefox) is freeware for using content created on the Adobe Flash platform, including viewing multimedia contents, executing rich Internet applications, and streaming audio and video.
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Advanced Audio Coding
Advanced Audio Coding (AAC) is a proprietary audio coding standard for lossy digital audio compression.
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Advanced Encryption Standard
The Advanced Encryption Standard (AES), also known by its original name Rijndael, is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology (NIST) in 2001.
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Advanced Systems Format
Advanced Systems Format (formerly Advanced Streaming Format, Active Streaming Format) is Microsoft's proprietary digital audio/digital video container format, especially meant for streaming media.
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Algorithm
In mathematics and computer science, an algorithm is an unambiguous specification of how to solve a class of problems.
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AmigaOS
AmigaOS is a family of proprietary native operating systems of the Amiga and AmigaOne personal computers.
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Android (operating system)
Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software and designed primarily for touchscreen mobile devices such as smartphones and tablets.
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Apple Inc.
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.
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Apple Lossless
Apple Lossless, also known as Apple Lossless Audio Codec (ALAC), or Apple Lossless Encoder (ALE), is an audio coding format, and its reference audio codec implementation, developed by Apple Inc. for lossless data compression of digital music.
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Apple ProRes
Apple ProRes is a lossy video compression format developed by Apple Inc. for use in post-production that supports up to 8K.
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Apple Video
Apple Video is a lossy video compression and decompression algorithm (codec) developed by Apple Inc. and first released as part of QuickTime 1.0 in 1991.
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ARM architecture
ARM, previously Advanced RISC Machine, originally Acorn RISC Machine, is a family of reduced instruction set computing (RISC) architectures for computer processors, configured for various environments.
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Asao (codec)
Asao (also known as Nellymoser audio codec) is a proprietary single-channel (mono) codec and compression format optimized for low-bitrate transmission of audio, developed by Nellymoser Inc.
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Audio Lossless Coding
MPEG-4 Audio Lossless Coding, also known as MPEG-4 ALS, is an extension to the MPEG-4 Part 3 audio standard to allow lossless audio compression.
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Audio Video Interleave
Audio Video Interleave (also Audio Video Interleaved), known by its initials AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows software.
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Audio Video Standard
Audio Video Coding Standard (AVS) refers to the digital audio and digital video series compression standard formulated by Audio and Video coding standard workgroup of China according to the open international rules.
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AVCHD
AVCHD (Advanced Video Coding High Definition) is a file-based format for the digital recording and playback of high-definition video.
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Avid DNxHD
Avid DNxHD ("Digital Nonlinear Extensible High Definition") is a lossy high-definition video post-production codec developed by Avid for multi-generation compositing with reduced storage and bandwidth requirements.
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AviSynth
AviSynth is a frameserver program for Microsoft Windows developed by Ben Rudiak-Gould, Edwin van Eggelen, Klaus Post, Richard Berg, Ian Brabham and others.
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Base64
Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation.
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Berkeley Software Distribution
Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.
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Bink Video
Bink Video is a proprietary video file format (extension.bik) developed by RAD Game Tools, and primarily used for full-motion video sequences in video games.
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C (programming language)
C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.
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CamStudio
CamStudio is an open-source screencasting program for Microsoft Windows released as free software.
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Cease and desist
A cease and desist letter is a document sent to an individual or business to stop purportedly illegal activity ("cease") and not to restart it ("desist").
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Cinepak
Cinepak is a lossy video codec developed by Peter Barrett at SuperMac Technologies, and released in 1991 with the Video Spigot, and then in 1992 as part of Apple Computer's QuickTime video suite.
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Codec
A codec is a device or computer program for encoding or decoding a digital data stream or signal.
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Color space
A color space is a specific organization of colors.
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Command-line interface
A command-line interface or command language interpreter (CLI), also known as command-line user interface, console user interface and character user interface (CUI), is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines).
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Communication protocol
In telecommunication, a communication protocol is a system of rules that allow two or more entities of a communications system to transmit information via any kind of variation of a physical quantity.
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Computer program
A computer program is a collection of instructions for performing a specific task that is designed to solve a specific class of problems.
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Cook Codec
The cook codec is a lossy audio compression codec developed by RealNetworks.
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Core Audio Format
The Core Audio Format is a container for storing audio, developed by Apple Inc. It is compatible with Mac OS X 10.4 and higher; Mac OS X 10.3 needs QuickTime 7 to be installed.
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Creative Technology
Creative Technology Ltd. is a Singapore-based global company headquartered in Jurong East, Singapore.
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Cyclic redundancy check
A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to raw data.
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Data Encryption Standard
The Data Encryption Standard (DES) is a symmetric-key algorithm for the encryption of electronic data.
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Debian
Debian is a Unix-like computer operating system that is composed entirely of free software, and packaged by a group of individuals participating in the Debian Project.
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DEC Alpha
Alpha, originally known as Alpha AXP, is a 64-bit reduced instruction set computing (RISC) instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC), designed to replace their 32-bit VAX complex instruction set computer (CISC) ISA.
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Digital container format
A container or wrapper format is a metafile format whose specification describes how different elements of data and metadata coexist in a computer file.
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Digital Picture Exchange
Digital Picture Exchange (DPX) is a common file format for digital intermediate and visual effects work and is an ANSI/SMPTE standard (268M-2003).
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Dirac (video compression format)
Dirac is an open and royalty-free video compression format, specification and system developed by BBC Research & Development.
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DivX
DivX is a brand of video codec products developed by DivX, LLC.
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Dolby Digital
Dolby Digital is the name for audio compression technologies developed by Dolby Laboratories.
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Dolby Digital Plus
Dolby Digital Plus, also known as Enhanced AC-3 (and commonly abbreviated as DD+ or E-AC-3, or EC-3) is a digital audio compression scheme developed by Dolby Labs for transport and storage of multi-channel digital audio.
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Dolby Laboratories
Dolby Laboratories, Inc. (often shortened to Dolby Labs) is a British-American company specializing in audio noise reduction and audio encoding/compression.
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Dolby TrueHD
Dolby TrueHD is a lossless multi-channel audio codec developed by Dolby Laboratories which is used in home-entertainment equipment such as Blu-ray Disc players and A/V receivers.
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DTS (sound system)
DTS (Dedicated To Sound) is a series of multichannel audio technologies owned by Xperi Corporation (formerly known as Digital Theater Systems, Inc.), an American company specializing in digital surround sound formats used for both commercial/theatrical and consumer grade applications.
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DVD Forum
The DVD Forum is an international organization composed of hardware, software, media and production companies that use and develop the DVD and formerly HD DVD formats.
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Entropy encoding
In information theory an entropy encoding is a lossless data compression scheme that is independent of the specific characteristics of the medium.
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Fabrice Bellard
Fabrice Bellard is a computer programmer who is best known as the creator of the FFmpeg and QEMU software projects.
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FFmpeg
FFmpeg is a free software project, the product of which is a vast software suite of libraries and programs for handling video, audio, and other multimedia files and streams.
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FFV1
FFV1, which stands for "FF video codec 1", is a lossless intra-frame video codec.
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File format
A file format is a standard way that information is encoded for storage in a computer file.
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FLAC
FLAC (Free Lossless Audio Codec) is an audio coding format for lossless compression of digital audio, and is also the name of the free software project producing the FLAC tools, the reference software package that includes a codec implementation.
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Flash Video
Flash Video is a container file format used to deliver digital video content (e.g., TV shows, movies, etc.) over the Internet using Adobe Flash Player version 6 and newer.
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Fork (software development)
In software engineering, a project fork happens when developers take a copy of source code from one software package and start independent development on it, creating a distinct and separate piece of software.
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Free and open-source software
Free and open-source software (FOSS) is software that can be classified as both free software and open-source software.
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Free software
Free software or libre software is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, and distribute it and any adapted versions.
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Full Rate
Full Rate (FR or GSM-FR or GSM 06.10 or sometimes simply GSM) was the first digital speech coding standard used in the GSM digital mobile phone system.
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G.711
G.711 is an ITU-T standard for audio companding.
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G.722
G.722 is an ITU-T standard 7 kHz Wideband audio codec operating at 48, 56 and 64 kbit/s.
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G.723
G.723 is an ITU-T standard speech codec using extensions of G.721 providing voice quality covering 300 Hz to 3400 Hz using Adaptive Differential Pulse Code Modulation (ADPCM) to 24 and 40 kbit/s for digital circuit multiplication equipment (DCME) applications.
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G.723.1
G.723.1 is an audio codec for voice that compresses voice audio in 30 ms frames.
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G.726
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.
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G.728
G.728 is an ITU-T standard for speech coding operating at 16 kbit/s.
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G.729
G.729 is a royalty-free narrow-band vocoder-based audio data compression algorithm using a frame length of 10 milliseconds.
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General Exchange Format
General eXchange Format (GXF), is a file exchange format for the transfer of simple and compound clips between television program storage systems.
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Gentoo Linux
Gentoo Linux (pronounced) is a Linux distribution built using the Portage package management system.
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GNU General Public License
The GNU General Public License (GNU GPL or GPL) is a widely used free software license, which guarantees end users the freedom to run, study, share and modify the software.
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GNU Lesser General Public License
The GNU Lesser General Public License (LGPL) is a free software license published by the Free Software Foundation (FSF).
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Google Summer of Code
The Google Summer of Code, often abbreviated to GSoC, is an international annual program, first held from May to August 2005, in which Google awards stipends, which depends on the purchasing power parity of the country the student's university belongs to, to all students who successfully complete a requested free and open-source software coding project during the summer.
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Gopher (protocol)
The Gopher protocol is a TCP/IP application layer protocol designed for distributing, searching, and retrieving documents over the Internet.
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GSM
GSM (Global System for Mobile communications) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation digital cellular networks used by mobile devices such as tablets, first deployed in Finland in December 1991.
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GStreamer
GStreamer is a pipeline-based multimedia framework that links together a wide variety of media processing systems to complete complex workflows.
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H.261
H.261 is an ITU-T video compression standard, first ratified in November 1988.
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H.262/MPEG-2 Part 2
H.262 or MPEG-2 Part 2 (formally known as ITU-T Recommendation H.262 and ISO/IEC 13818-2, also known as MPEG-2 Video) is a video coding format developed and maintained jointly by ITU-T Video Coding Experts Group (VCEG) and ISO/IEC Moving Picture Experts Group (MPEG).
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H.263
H.263 is a video compression standard originally designed as a low-bit-rate compressed format for videoconferencing.
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H.264/MPEG-4 AVC
H.264 or MPEG-4 Part 10, Advanced Video Coding (MPEG-4 AVC) is a block-oriented motion-compensation-based video compression standard.
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High Efficiency Video Coding
High Efficiency Video Coding (HEVC), also known as H.265 and MPEG-H Part 2, is a video compression standard, one of several potential successors to the widely used AVC (H.264 or MPEG-4 Part 10).
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High-Efficiency Advanced Audio Coding
High-Efficiency Advanced Audio Coding (HE-AAC) is an audio coding format for lossy data compression of digital audio defined as an MPEG-4 Audio profile in ISO/IEC 14496-3.
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HTTP Live Streaming
HTTP Live Streaming (also known as HLS) is an HTTP-based media streaming communications protocol implemented by Apple Inc. as part of its QuickTime, Safari, OS X, and iOS software.
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Huffyuv
Huffyuv (or HuffYUV) is a lossless video codec created by Ben Rudiak-Gould which is meant to replace uncompressed YCbCr as a video capture format.
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Hypertext Transfer Protocol
The Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, and hypermedia information systems.
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IA-32
IA-32 (short for "Intel Architecture, 32-bit", sometimes also called i386) is the 32-bit version of the x86 instruction set architecture, first implemented in the Intel 80386 microprocessors in 1985.
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Id Software
id Software LLC (see Company name) is an American video game developer headquartered in Dallas, Texas.
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Image scaling
In computer graphics and digital imaging, image scaling refers to the resizing of a digital image.
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Indeo
Indeo Video (commonly known now simply as "Indeo") is a video codec developed by Intel in 1992.
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Intel
Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.
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Interchange File Format
Interchange File Format (IFF), is a generic container file format originally introduced by the Electronic Arts company in 1985 (in cooperation with Commodore/Amiga) in order to facilitate transfer of data between software produced by different companies.
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International Electrotechnical Commission
The International Electrotechnical Commission (IEC; in French: Commission électrotechnique internationale) is an international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as "electrotechnology".
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International Organization for Standardization
The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.
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ISO base media file format
ISO base media file format (ISO/IEC 14496-12 – MPEG-4 Part 12) defines a general structure for time-based multimedia files such as video and audio.
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Joint Photographic Experts Group
The Joint Photographic Experts Group is the joint committee founded by Jim Judkins between ISO/IEC JTC 1 and ITU-T (formerly CCITT) that created the JPEG, JPEG 2000, and JPEG XR standards.
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JPEG
JPEG is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.
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JPEG 2000
JPEG 2000 (JP2) is an image compression standard and coding system.
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Lagarith
Lagarith is an open source lossless video codec written by Ben Greenwood.
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LAME
LAME is a software encoder that converts audio to the MP3 file format.
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Lempel–Ziv–Oberhumer
Lempel–Ziv–Oberhumer (LZO) is a lossless data compression algorithm that is focused on decompression speed.
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Libavcodec
libavcodec is a free and open-source library of codecs for encoding and decoding video and audio data.
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Library (computing)
In computer science, a library is a collection of non-volatile resources used by computer programs, often for software development.
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Libvpx
libvpx is a free software video codec library from Google and the Alliance for Open Media (AOMedia).
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Linux
Linux is a family of free and open-source software operating systems built around the Linux kernel.
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List of open-source codecs
This is a listing of open-source implementations of media formats—usually called codecs.
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Lossless JPEG
Lossless JPEG is a 1993 addition to JPEG standard by the Joint Photographic Experts Group to enable lossless compression.
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MacOS
macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.
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Material Exchange Format
Material eXchange Format (MXF) is a container format for professional digital video and audio media defined by a set of SMPTE standards.
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Matroska
The Matroska Multimedia Container is an open standard, free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file.
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MD5
The MD5 algorithm is a widely used hash function producing a 128-bit hash value.
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Meridian Lossless Packing
Meridian Lossless Packing, also known as Packed PCM (PPCM), is a lossless compression technique for compressing PCM audio data developed by Meridian Audio, Ltd..
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Microsoft Media Server
Microsoft Media Server (MMS), a Microsoft proprietary network-streaming protocol, serves to transfer unicast data in Windows Media Services (previously called NetShow Services).
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Microsoft Video 1
Microsoft Video 1 or MS-CRAM is an early lossy video compression and decompression algorithm (codec) that was released with version 1.0 of Microsoft's Video for Windows in November 1992.
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Microsoft Windows
Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.
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MIPS architecture
MIPS (an acronym for Microprocessor without Interlocked Pipeline Stages) is a reduced instruction set computer (RISC) instruction set architecture (ISA)Price, Charles (September 1995).
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Monkey's Audio
Monkey's Audio is an algorithm and file format for lossless audio data compression.
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MorphOS
MorphOS is an AmigaOS-like computer operating system.
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Motion JPEG
In multimedia, Motion JPEG (M-JPEG or MJPEG) is a video compression format in which each video frame or interlaced field of a digital video sequence is compressed separately as a JPEG image.
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Moving Picture Experts Group
The Moving Picture Experts Group (MPEG) is a working group of authorities that was formed by ISO and IEC to set standards for audio and video compression and transmission.
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MP3
MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is an audio coding format for digital audio.
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MPEG program stream
Program stream (PS or MPEG-PS) is a container format for multiplexing digital audio, video and more.
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MPEG transport stream
MPEG transport stream (transport stream, MPEG-TS, MTS or TS) is a standard digital container format for transmission and storage of audio, video, and Program and System Information Protocol (PSIP) data.
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MPEG-1
MPEG-1 is a standard for lossy compression of video and audio.
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MPEG-1 Audio Layer I
MPEG-1 Audio Layer I, commonly abbreviated to MP1, is one of three audio formats included in the MPEG-1 standard.
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MPEG-1 Audio Layer II
MPEG-1 Audio Layer II or MPEG-2 Audio Layer II (MP2, sometimes incorrectly called Musicam or MUSICAM) is a lossy audio compression format defined by ISO/IEC 11172-3 alongside MPEG-1 Audio Layer I and MPEG-1 Audio Layer III (MP3).
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MPEG-2
MPEG-2 (a.k.a. H.222/H.262 as defined by the ITU) is a standard for "the generic coding of moving pictures and associated audio information".
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MPEG-4 Part 14
MPEG-4 Part 14 or MP4 is a digital multimedia container format most commonly used to store video and audio, but it can also be used to store other data such as subtitles and still images.
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MPEG-4 Part 2
MPEG-4 Part 2, MPEG-4 Visual (formally ISO/IEC 14496-2) is a video compression format developed by MPEG.
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Mpv (media player)
mpv is media player software, based on MPlayer and mplayer2.
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Multimedia
Multimedia is content that uses a combination of different content forms such as text, audio, images, animations, video and interactive content.
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Multimedia framework
A multimedia framework is a Software framework that handles media on a computer and through a network.
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Multiplexing
In telecommunications and computer networks, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium.
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MythTV
MythTV is a free and open-source home entertainment application with a simplified "10-foot user interface" design for the living-room TV.
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Nippon Telegraph and Telephone
, commonly known as NTT, is a Japanese telecommunications company headquartered in Tokyo, Japan.
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Ogg
Ogg is a free, open container format maintained by the Xiph.Org Foundation.
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On2 Technologies
On2 Technologies, formerly known as The Duck Corporation, was a small publicly traded company (on the American Stock Exchange), founded in New York City in 1992 and headquartered in Clifton Park, New York, that designed video codec technology.
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OpenMG
OpenMG is a SDMI-compliant digital rights management system by Sony.
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Opus (audio format)
Opus is a lossy audio coding format developed by the Xiph.Org Foundation and standardized by the Internet Engineering Task Force, designed to efficiently code speech and general audio in a single format, while remaining low-latency enough for real-time interactive communication and low-complexity enough for low-end embedded processors.
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PowerPC
PowerPC (with the backronym Performance Optimization With Enhanced RISC – Performance Computing, sometimes abbreviated as PPC) is a reduced instruction set computing (RISC) instruction set architecture (ISA) created by the 1991 Apple–IBM–Motorola alliance, known as AIM.
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Pseudonym
A pseudonym or alias is a name that a person or group assumes for a particular purpose, which can differ from their first or true name (orthonym).
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QDesign
QDesign Corporation was a developer of digital audio compression technologies.
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Qualcomm code-excited linear prediction
Qualcomm code-excited linear prediction (QCELP), also known as Qualcomm PureVoice, is a speech codec developed in 1994 by Qualcomm to increase the speech quality of the IS-96A codec earlier used in CDMA networks.
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QuickDraw
QuickDraw is the 2D graphics library and associated Application Programming Interface (API) which is a core part of the classic Mac OS operating system.
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QuickTime
QuickTime is an extensible multimedia framework developed by Apple Inc., capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity.
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QuickTime Animation
QuickTime Animation format (also known as QuickTime RLE) is a video compression format and codec created by Apple Computer to enable playback of RGB video in real time without expensive hardware.
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QuickTime File Format
QuickTime File Format (QTFF) is a computer file format used natively by the QuickTime framework.
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QuickTime Graphics
QuickTime Graphics is a lossy video compression and decompression algorithm (codec) developed by Apple Inc. and first released as part of QuickTime 1.x in the early 1990s.
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RC4
In cryptography, RC4 (Rivest Cipher 4 also known as ARC4 or ARCFOUR meaning Alleged RC4, see below) is a stream cipher.
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Real Data Transport
Real Data Transport (RDT) is a proprietary transport protocol for the actual audio-video data, developed by RealNetworks in the 1990s.
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Real Time Streaming Protocol
The Real Time Streaming Protocol (RTSP) is a network control protocol designed for use in entertainment and communications systems to control streaming media servers.
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Real-Time Messaging Protocol
Real-Time Messaging Protocol (RTMP) was initially a proprietary protocol developed by Macromedia for streaming audio, video and data over the Internet, between a Flash player and a server.
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Real-time Transport Protocol
The Real-time Transport Protocol (RTP) is a network protocol for delivering audio and video over IP networks.
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RealAudio
RealAudio is a proprietary audio format developed by RealNetworks and first released in April 1995.
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RealPlayer
RealPlayer, formerly RealAudio Player, RealOne Player and RealPlayer G2, is a cross-platform media player app, developed by RealNetworks.
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RealVideo
RealVideo is a suite of proprietary video compression formats developed by RealNetworks – the specific format changes with the version.
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RenderWare
RenderWare is a game engine developed by the British game developer Criterion Software.
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Sample-rate conversion
Sample-rate conversion is the process of changing the sampling rate of a discrete signal to obtain a new discrete representation of the underlying continuous signal.
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Session Description Protocol
The Session Description Protocol (SDP) is a format for describing streaming media communications parameters.
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SHA-1
In cryptography, SHA-1 (Secure Hash Algorithm 1) is a cryptographic hash function which takes an input and produces a 160-bit (20-byte) hash value known as a message digest - typically rendered as a hexadecimal number, 40 digits long.
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Shorten (file format)
Shorten (SHN) is a file format used for compressing audio data.
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Sierra Entertainment
Sierra Entertainment, Inc. (formerly On-Line Systems and later Sierra On-Line, Inc.) was an American video game developer and publisher based in Bellevue, Washington.
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SimCity 3000
SimCity 3000 is a city building simulation video game released in 1999, and the third major installment in the ''SimCity'' series.
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Simple DirectMedia Layer
Simple DirectMedia Layer (SDL) is a cross-platform software development library designed to provide a hardware abstraction layer for computer multimedia hardware components.
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Sintel
Sintel (code-named Durian) is a short computer animated film by the Blender Institute, part of the Blender Foundation.
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Smacker video
Smacker video is a video file format (with the.SMK file extension) developed by RAD Game Tools, and primarily used for full-motion video in video games.
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Society of Motion Picture and Television Engineers
The Society of Motion Picture and Television Engineers (SMPTE) (rarely), founded in 1916 as the Society of Motion Picture Engineers or SMPE, is a global professional association, of engineers, technologists, and executives working in the media and entertainment industry.
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Software patent
A software patent is a patent on a piece of software, such as a computer program, libraries, user interface, or algorithm.
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Sony
is a Japanese multinational conglomerate corporation headquartered in Kōnan, Minato, Tokyo.
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Sorenson Media
Sorenson Media is an American software company specializing in video encoding technology.
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SPARC
SPARC, for Scalable Processor Architecture, is a reduced instruction set computing (RISC) instruction set architecture (ISA) originally developed by Sun Microsystems.
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Speex
Speex is an audio compression format specifically tuned for the reproduction of human speech and also a free software speech codec that may be used on VoIP applications and podcasts.
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Theora
Theora is a free lossy video compression format.
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Transcoding
Transcoding is the direct digital-to-digital conversion of one encoding to another, such as for movie data files (e.g., PAL, SECAM, NTSC), audio files (e.g., MP3, WAV), or character encoding (e.g., UTF-8, ISO/IEC 8859).
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Transmission Control Protocol
The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite.
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Truespeech
Truespeech is a proprietary audio codec produced by the DSP Group.
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TTA (codec)
True Audio (TTA) is a lossless compressor for multichannel 8, 16 and 24 bits audio data.
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TwinVQ
TwinVQ (transform-domain weighted interleave vector quantization) is an audio compression technique developed by Nippon Telegraph and Telephone Corporation (NTT) Human Interface Laboratories (now Cyber Space Laboratories) in 1994.
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Ubuntu (operating system)
Ubuntu (stylized as ubuntu) is a free and open source operating system and Linux distribution based on Debian.
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User Datagram Protocol
In computer networking, the User Datagram Protocol (UDP) is one of the core members of the Internet protocol suite.
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VC-1
SMPTE 421M, informally known as VC-1, is a video coding format.
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Vector sum excited linear prediction
Vector sum excited linear prediction (VSELP) is a speech coding method used in several cellular standards.
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VLC media player
VLC media player (commonly known as VLC) is a free and open-source, portable, cross-platform media player and streaming media server developed by the VideoLAN project.
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VMware
VMware, Inc. is a subsidiary of Dell Technologies that provides cloud computing and platform virtualization software and services.
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Vorbis
Vorbis is a free and open-source software project headed by the Xiph.Org Foundation.
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Voyeur (video game)
Voyeur is an interactive movie video game released in 1993 for the Philips CD-i. MS-DOS and Macintosh computer ports were later released.
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VP3
On2 TrueMotion VP3 is a (royalty-free) lossy video compression format and video codec.
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VP6
On2 TrueMotion VP6 is a proprietary lossy video compression format and video codec.
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VP8
VP8 is an open and royalty free video compression format owned by Google and created by On2 Technologies as a successor to VP7.
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WavPack
WavPack is a free and open-source lossless audio compression format.
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WebM
WebM is an audiovisual media file format.
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WebP
WebP is an image format employing both lossy and lossless compression.
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Westwood Studios
Westwood Studios, Inc. was an American video game developer, based in Las Vegas, Nevada.
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Windows Media Audio
Windows Media Audio (WMA) is the name of a series of audio codecs and their corresponding audio coding formats developed by Microsoft.
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Windows Media Center
Windows Media Center (WMC) is a discontinued digital video recorder and media player created by Microsoft.
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Windows Media Player
Windows Media Player (WMP) is a media player and media library application developed by Microsoft that is used for playing audio, video and viewing images on personal computers running the Microsoft Windows operating system, as well as on Pocket PC and Windows Mobile-based devices.
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Windows Media Video
Windows Media Video (WMV) is a series of video codecs and their corresponding video coding formats developed by Microsoft.
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Wing Commander (video game)
Wing Commander is the eponymous first game in Chris Roberts' science fiction space flight simulation franchise Wing Commander by Origin Systems.
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X264
x264 is a free and open-source software library and a command-line utility developed by VideoLAN for encoding video streams into the H.264/MPEG-4 AVC format.
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X86-64
x86-64 (also known as x64, x86_64, AMD64 and Intel 64) is the 64-bit version of the x86 instruction set.
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Xvid
Xvid (formerly "XviD") is a video codec library following the MPEG-4 video coding standard, specifically MPEG-4 Part 2 Advanced Simple Profile (ASP).
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3GP and 3G2
3GP (3GPP file format) is a multimedia container format defined by the Third Generation Partnership Project (3GPP) for 3G UMTS multimedia services.
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3GPP
The 3rd Generation Partnership Project (3GPP) is a collaboration between groups of telecommunications standards associations, known as the Organizational Partners.
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8SVX
8-Bit Sampled Voice (8SVX) is an audio file format standard developed by Electronic Arts for the Commodore-Amiga computer series.
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References
[1] https://en.wikipedia.org/wiki/Libav
