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59 relations: Advanced Audio Coding, AMV video format, Apple Lossless, Audio Lossless Coding, Audiobook, Code-excited linear prediction, Codec, Comparison of audio coding formats, Comparison of video codecs, Comparison of video container formats, Digital audio, Digital container format, Digital data, Digital rights management, Digital video, DVD-Video, Extensible Metadata Platform, FairPlay, File Explorer, File manager, Filename extension, H.263, H.264/MPEG-4 AVC, Harmonic Vector Excitation Coding, High Efficiency Video Coding, International Electrotechnical Commission, International Organization for Standardization, Internet, IPhone, ISO base media file format, ITunes Store, List of codecs, List of open-source codecs, Lossy compression, Metadata, Mobile phone, Motion JPEG 2000, MP3, MP3 player, MP4 player, MPEG-1, MPEG-1 Audio Layer I, MPEG-1 Audio Layer II, MPEG-2, MPEG-4, MPEG-4 Part 17, MPEG-4 Part 2, MPEG-4 Part 3, MPEG-4 SLS, Multimedia, ..., Nero Digital, Podcast, Portable media player, QuickTime File Format, Streaming media, Structured Audio Orchestra Language, Subtitle (captioning), TwinVQ, 3GP and 3G2. Expand index (9 more) »
Advanced Audio Coding
Advanced Audio Coding (AAC) is a proprietary audio coding standard for lossy digital audio compression.
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AMV video format
AMV is a proprietary video file format, produced for MP4 players, as well as S1 MP3 players with video playback.
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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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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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Audiobook
An audiobook (or talking book) is a recording of a text being read.
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Code-excited linear prediction
Code-excited linear prediction (CELP) is a speech coding algorithm originally proposed by M. R. Schroeder and B. S. Atal in 1985.
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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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Comparison of audio coding formats
The following tables compare general and technical information for a variety of audio coding formats.
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Comparison of video codecs
Α video codec is software or a device that provides encoding and decoding for digital video, and which may or may not include the use of video compression and/or decompression.
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Comparison of video container formats
This table compares features of container formats (video file formats).
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Digital audio
Digital audio is audio, or simply sound, signal that has been recorded as or converted into digital form, where the sound wave of the audio signal is encoded as numerical samples in continuous sequence, typically at CD audio quality which is 16 bit sample depth over 44.1 thousand samples per second.
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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 data
Digital data, in information theory and information systems, is the discrete, discontinuous representation of information or works.
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Digital rights management
Digital rights management (DRM) is a set of access control technologies for restricting the use of proprietary hardware and copyrighted works.
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Digital video
Digital video is an electronic representation of moving visual images (video) in the form of encoded digital data.
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DVD-Video
DVD-Video is a consumer video format used to store digital video on DVD discs, and is the dominant consumer video format in Asia, North America, Europe, and Australia.
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Extensible Metadata Platform
The Extensible Metadata Platform (XMP) is an ISO standard, originally created by Adobe Systems Inc., for the creation, processing and interchange of standardized and custom metadata for digital documents and data sets.
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FairPlay
FairPlay was a digital rights management (DRM) technology developed by Apple Inc. It is built into the MP4 multimedia file format as an encrypted AAC audio layer, and is used by the company to protect copyrighted works sold through iTunes Store, allowing only authorized devices to play the content.
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File Explorer
File Explorer, previously known as Windows Explorer, is a file manager application that is included with releases of the Microsoft Windows operating system from Windows 95 onwards.
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File manager
A file manager or file browser is a computer program that provides a user interface to manage files and folders.
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Filename extension
A filename extension is an identifier specified as a suffix to the name of a computer file.
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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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Harmonic Vector Excitation Coding
Harmonic Vector Excitation Coding, abbreviated as HVXC is a speech coding algorithm specified in MPEG-4 Part 3 (MPEG-4 Audio) standard for very low bit rate speech coding.
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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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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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Internet
The Internet is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide.
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IPhone
iPhone is a line of smartphones designed and marketed by Apple Inc. The iPhone line of products use Apple's iOS mobile operating system software.
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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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ITunes Store
The iTunes Store is a software-based online digital media store operated by Apple Inc. It opened on April 28, 2003, and has been the largest music vendor in the United States since April 2008, and the largest music vendor in the world since February 2010.
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List of codecs
The following is a list of compression formats and related codecs.
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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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Lossy compression
In information technology, lossy compression or irreversible compression is the class of data encoding methods that uses inexact approximations and partial data discarding to represent the content.
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Metadata
Metadata is "data that provides information about other data".
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Mobile phone
A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
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Motion JPEG 2000
Motion JPEG 2000 (MJ2 or MJP2) is a file format for motion sequences of JPEG 2000 images and associated audio, based on the MP4/QuickTime format.
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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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MP3 player
An MP3 player or Digital Audio Player is an electronic device that can play digital audio files.
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MP4 player
The name MP4 player is a marketing term for inexpensive portable media players, usually from little known or generic device manufacturers.
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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
MPEG-4 is a method of defining compression of audio and visual (AV) digital data.
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MPEG-4 Part 17
MPEG-4 Part 17, or MPEG-4 Timed Text, or MPEG-4 Streaming text format is the text-based subtitle format for MPEG-4, published as ISO/IEC 14496-17 in 2006.
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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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MPEG-4 Part 3
MPEG-4 Part 3 or MPEG-4 Audio (formally ISO/IEC 14496-3) is the third part of the ISO/IEC MPEG-4 international standard developed by Moving Picture Experts Group.
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MPEG-4 SLS
MPEG-4 SLS, or MPEG-4 Scalable to Lossless as per ISO/IEC 14496-3:2005/Amd 3:2006 (Scalable Lossless Coding), is an extension to the MPEG-4 Part 3 (MPEG-4 Audio) standard to allow lossless audio compression scalable to lossy MPEG-4 General Audio coding methods (e.g., variations of AAC).
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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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Nero Digital
Nero Digital is a brand name applied to a suite of MPEG-4-compatible video and audio compression codecs developed by Nero AG of Germany and Ateme of France.
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Podcast
A podcast, or generically netcast, is an episodic series of digital audio or video files which a user can download and listen to.
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Portable media player
A portable media player (PMP) or digital audio player (DAP) is a portable consumer electronics device capable of storing and playing digital media such as audio, images, and video files.
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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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Streaming media
Streaming media is multimedia that is constantly received by and presented to an end-user while being delivered by a provider.
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Structured Audio Orchestra Language
Structured Audio Orchestra Language (SAOL) is an imperative, MUSIC-N programming language designed for describing virtual instruments, processing digital audio, and applying sound effects.
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Subtitle (captioning)
Subtitles are text derived from either a transcript or screenplay of the dialog or commentary in films, television programs, video games, and the like, usually displayed at the bottom of the screen, but can also be at the top of the screen if there is already text at the bottom of the screen.
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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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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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Redirects here:
.MP4 versus .M4A, .m4a, .m4b, .m4p, .m4r, .mp4, .mp4v, ISO/IEC 14496-14, ISO/IEC 14496-14:2003, M4A, M4B, M4a, M4b, M4r, MP4, MPEG-4 Layer 14, Mp4, Mp4v.
References
[1] https://en.wikipedia.org/wiki/MPEG-4_Part_14
