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MPEG-4 File Format for AVC (Ext), with Non-FRExt Extended AVC Coding

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Format Description Properties Explanation of format description terms

Identification and description Explanation of format description terms

Full name Formal Name (for set of specifications that include Part 15, MP4 AVC File Format, and Part 10, Advanced Video Coding): ISO/IEC 14496. Information technology -- Coding of audio-visual objects. Common name: MPEG-4 File Format for AVC (Ext), with Extended AVC Coding.
Description

Combination of a file format (wrapper) and encoding category (Advanced Video Coding; AVC, Extensions) within the MPEG-4 family. This version of AVC entails the use of the extensions listed in MPEG-4_AVC_EXT.

The extensions described here predate the FRExt (Fidelity Range Extensions), being finalized in 2005 and represented by four new profiles: MPEG-4_AVC_HP, MPEG-4_AVC_H10P, MPEG-4_AVC_H422P, and MPEG-4_AVC_H444P.

Production phase Generally a final-state (end-user delivery) format, may also serve as middle-state format.
Relationship to other formats
    Subtype of MP4_FF_AVCE, MPEG-4 File Format for AVC (Extensions, Part 15)
    Contains MPEG-4_AVC_EXT, MPEG-4, Advanced Video Coding, Extensions
    May contain AAC_MP4, MPEG-4 Advanced Audio Coding
    May contain AAC_MP4_LC, AAC (MPEG-4) Low Complexity Object
    May contain Additional audio, graphics, and scene graph stream types. Not documented at this time.

Local use Explanation of format description terms

LC experience or existing holdings  
LC preference  

Sustainability factors Explanation of format description terms

Disclosure Open standard. Developed through ISO technical program ISO/IEC JTC 1/SC 29 for coding of audio, picture, multimedia and hypermedia information. The working group WG11 (for coding of moving pictures and audio) is also known as the Moving Picture Experts Group (MPEG). See the ISO Standards Catalogue for the list of standards published by ISO/IEC JTC1/SC29. See http://mpeg.chiariglione.org/standards/mpeg-4 for information specific to MPEG-4 and its many parts.
    Documentation See MP4_FF_AVCE and MPEG-4_AVC_EXT.
Adoption See MPEG-4_AVC.
    Licensing and patents See MP4_FF_2.
Transparency See MPEG-4_AVC.
Self-documentation See MP4_FF_2.
External dependencies See MP4_FF_2.
Technical protection considerations See MP4_FF_2.

Quality and functionality factors Explanation of format description terms

Moving Image
Normal rendering See MPEG-4_AVC_EXT.
Clarity (high image resolution) See MPEG-4_AVC_EXT.
Functionality beyond normal rendering Not investigated
Sound
Fidelity (high audio resolution) See MP4_FF_2.
Multiple channels See MP4_FF_2.
Functionality beyond normal rendering See MP4_FF_2.

File type signifiers and format identifiers Explanation of format description terms

Tag Value Note
Filename extension See related format. 

See MP4_FF_AVCE

Internet Media Type See related format. 

See MP4_FF_AVCE

Magic numbers Not found.  Comments welcome.   
File type brand (ISO Base Media File Format) See related format.  See MP4_FF_AVCE

Notes Explanation of format description terms

General  
History  

Format specifications Explanation of format description terms


Useful references

URLs


Last Updated: Tuesday, 21-Feb-2017 14:25:47 EST