Sustainability of Digital Formats
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Introduction | Sustainability Factors | Content Categories | Format Descriptions | Contact |
Full name | MPEG-4 Version 2 file format with Advanced Video Coding, Main Profile |
Description | MPEG-4 Version 2 file format containing AVC encoded data, main profile. |
Production phase | See MP4_FF_2. |
Relationship to other formats | |
Subtype of | MP4_FF_2, MPEG-4 File Format, Version 2 |
Contains | MPEG-4_AVC_MP, MPEG-4, Advanced Video Coding (Part 10), Main Profile |
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. |
LC experience or existing holdings | See MP4_FF_2 |
LC preference | See MP4_FF_2 |
Disclosure | See MP4_FF_2 |
Documentation | See MP4_FF_2 and MPEG-4_AVC. |
Adoption | See MP4_FF_2 and MPEG-4_AVC. |
Licensing and patent claims | 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. |
Video elements | |
Normal rendering for video | See MP4_FF_2. |
Clarity (support for high image resolution) | See MPEG-4_AVC_MP. |
Functionality beyond normal video rendering | See MP4_FF_2. |
Sound elements | |
Fidelity (support for high audio resolution) | See MP4_FF_2. |
Support for multiple sound channels | See MP4_FF_2. |
Functionality beyond normal rendering for sound | See MP4_FF_2. |
Tag type | Value | Note |
Filename Extension | See MP4_FF_2. | |
Internet Media Type | See MP4_FF_2. | |
Magic numbers | See MP4_FF_2. | |
Profile indicator | 77 | The 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 brand | See MP4_FF_2. |
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