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MP4 file format

MP4 (formally MPEG-4 Part 14) 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. Like most modern container formats, it allows streaming over the Internet. The only filename extension for MPEG-4 Part 14 files as defined by the specification…

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Explore the main themes, entities and connections around MP4 file format. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Container for
Audio, video and text
Developed by
International Organization for Standardization · International Electrotechnical Commission
Extended from
QuickTime File Format and MPEG-4 Part 12
Filename extensions
.mp4, .m4a, .m4p, .m4b, .m4r and .m4v[Note 1]
Free format?
No
Initial release
October 2001; 24 years ago (2001-10)

Topics to explore

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Overview

Data streams

Metadata

Filename extensions

History

Advanced semantic analysis

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Map overview Semantic statistics

MP4 file format

Nodes66
Edges65
Triples36
Avg. degree1.97
Density0.030303
Components1

How this topic connects Entity context

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MP4 file format

Top relations

related to history · 17
MP4 file format → Clause, In, Initial Object Descriptors, IOD, ISO, ISO Base Media File, ISO/IEC, It, Motion JPEG, MP4, MPEG, MPEG-4, MPEG-4 Part, QuickTime File Format, Systems, The MP4, The MPEG-4
Developed by · 2
MP4 file format → International Electrotechnical Commission, International Organization for Standardization
Internet media type · 2
MP4 file format → audio/mp4, video/mp4
Container for · 1
MP4 file format → Audio, video and text
Extended from · 1
MP4 file format → QuickTime File Format and MPEG-4 Part 12
Filename extensions · 1
MP4 file format → .mp4, .m4a, .m4p, .m4b, .m4r and .m4v[Note 1]
Free format? · 1
MP4 file format → No
Initial release · 1
MP4 file format → October 2001; 24 years ago (2001-10)
Latest release · 1
MP4 file format → ISO/IEC 14496-14:2020 January 2020; 6 years ago (2020-01)
Magic number · 1
MP4 file format → p

Important terminology Word statistics

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Important terminology

mpeg-4 format mp4 file part iso files media 14 audio video used extension iec also base container extensions formats codecs

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
MP4 file formatContainer forAudio, video and text1.00infobox
MP4 file formatDeveloped byInternational Organization for Standardization1.00infobox
MP4 file formatDeveloped byInternational Electrotechnical Commission1.00infobox
MP4 file formatExtended fromQuickTime File Format and MPEG-4 Part 121.00infobox
MP4 file formatFilename extensions.mp4, .m4a, .m4p, .m4b, .m4r and .m4v[Note 1]1.00infobox
MP4 file formatFree format?No1.00infobox
MP4 file formatInitial releaseOctober 2001; 24 years ago (2001-10)1.00infobox
MP4 file formatInternet media typevideo/mp41.00infobox
MP4 file formatInternet media typeaudio/mp41.00infobox
MP4 file formatLatest releaseISO/IEC 14496-14:2020 January 2020; 6 years ago (2020-01)1.00infobox
MP4 file formatMagic numberp1.00infobox
MP4 file formatOpen format?No1.00infobox
MP4 file formatStandardISO/IEC 14496-141.00infobox
MP4 file formatType codempg41.00infobox
MP4 file formatType of formatContainer format1.00infobox

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    Min side: 3
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