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MP4 - Just Solve the File Format Problem

MP4

From Just Solve the File Format Problem
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== See also ==
 
== See also ==
 
* [[AVC (file format)]], for the related format defined in MPEG-4 Part 15
 
* [[AVC (file format)]], for the related format defined in MPEG-4 Part 15
 +
* [[ISO Base Media File Format]]
 
* [[AAC]]
 
* [[AAC]]
  

Revision as of 04:10, 11 November 2014

File Format
Name MP4
Ontology
Extension(s) .mp4, .m4a, .m4p, .m4b, .m4r, .m4v
MIME Type(s) audio/mp4, video/mp4
LoCFDD fdd000037, fdd000155
PRONOM fmt/199

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.

Imgur uses an MP4 video format for converting animated GIFs uploaded by users into its own "GIFV" format, which is actually an MPR referenced in a video element of an HTML 5 document, which is served with a .gifv extension from their servers.

See also

Sample files

Links

Personal tools
Namespaces

Variants
Actions
Navigation
Toolbox

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