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MPEG-4 File Format, V.2, with AVC, Main Profile

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Table of Contents
• Identification and description
• Local use
• Sustainability factors
• Quality and functionality factors
• File type signifiers
• Notes
• Format specifications
• Useful references
Format Description Properties
• ID: fdd000219
• Short name: MP4_FF_2_AVC_MP
• Content categories: moving image
• Format category: file format, bitstream encoding
• Last significant update: 2005-11-10
• Draft status: Full

Identification and description Explanation of format description terms

Full nameMPEG-4 Version 2 file format with Advanced Video Coding, Main Profile
DescriptionMPEG-4 Version 2 file format containing AVC encoded data, main profile.
  Production phase  See MP4_FF_2.
Relationship to other formats 
  Subtype ofMP4_FF_2, MPEG-4 File Format, Version 2
  ContainsMPEG-4_AVC_MP, MPEG-4, Advanced Video Coding (Part 10), Main Profile
  May containAAC_MP4 (MPEG-4 Advanced Audio Coding)
  May containAAC_MP4_LC, AAC (MPEG-4) Low Complexity Object
  May containAdditional audio, graphics, and scene graph stream types. Not documented at this time.

Local use Explanation of format description terms

LC experience or existing holdingsSee MP4_FF_2
LC preferenceSee MP4_FF_2

Sustainability factors Explanation of format description terms

DisclosureSee MP4_FF_2
  DocumentationSee MP4_FF_2 and MPEG-4_AVC.
AdoptionSee MP4_FF_2 and MPEG-4_AVC.
  Licensing and patent claimsSee MP4_FF_2.
TransparencySee MPEG-4_AVC.
Self-documentationSee MP4_FF_2.
External dependenciesSee MP4_FF_2.
Technical protection considerationsSee MP4_FF_2.

Quality and functionality factorsExplanation of format description terms

Video elements 
Normal rendering for videoSee MP4_FF_2.
Clarity (support for high image resolution)See MPEG-4_AVC_MP.
Functionality beyond normal video renderingSee MP4_FF_2.
Sound elements 
Fidelity (support for high audio resolution)See MP4_FF_2.
Support for multiple sound channelsSee MP4_FF_2.
Functionality beyond normal rendering for soundSee MP4_FF_2.

File type signifiers Explanation of format description terms

Tag typeValueNote
Filename ExtensionSee MP4_FF_2. 
Internet Media Type See MP4_FF_2.  
Magic numbersSee MP4_FF_2. 
Profile indicator77The profile_idc pertains to the encoding and is described as a part of Annex A of Part 10 of the standard, pp. 204-05.
File type brandSee MP4_FF_2. 

Notes Explanation of format description terms

General 
History 

Format specifications Explanation of format description terms

URLs
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Useful references

URLs

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Last Updated: 03/ 7/2007

 
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