MP4

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MPEG-4 Part 14 is an application of [[ISO Base Media File Format|Part 12]]. The recommended extension for it is ".mp4", though ".m4a" is often used for audio-only files. It is standardized by ISO/IEC 14496-14.
 
MPEG-4 Part 14 is an application of [[ISO Base Media File Format|Part 12]]. The recommended extension for it is ".mp4", though ".m4a" is often used for audio-only files. It is standardized by ISO/IEC 14496-14.
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== Sample files ==
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* http://samples.libav.org/MPEG-4/
  
 
== Links ==
 
== Links ==

Revision as of 00:57, 4 April 2014

File Format
Name MP4
Ontology
Extension(s) .mp4, .m4a, .m4p, .m4b, .m4r, .m4v
MIME Type(s) audio/mp4, video/mp4

MP4 usually refers to the multimedia file format defined in Part 14 (and to a lesser extent Part 1) of the MPEG-4 standard.

"MP4" could also mean the entire MPEG-4 standard, or some other subset of MPEG-4. This article only covers the Part 14 file format.

MPEG-4 Part 14 is an application of Part 12. The recommended extension for it is ".mp4", though ".m4a" is often used for audio-only files. It is standardized by ISO/IEC 14496-14.

Sample files

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