Sustainability of Digital Formats: Planning for Library of Congress Collections |
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Introduction | Sustainability Factors | Content Categories | Format Descriptions | Contact |
Full name | MPEG-4 Version 2 file format with Advanced Video Coding, Baseline Profile |
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Description | MPEG-4 Version 2 file format containing AVC encoded data, baseline 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_BP, MPEG-4, Advanced Video Coding (Part 10), Baseline 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 |
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LC preference | See MP4_FF_2 |
Disclosure | See MP4_FF_2 |
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Documentation | See MP4_FF_2 and MPEG-4_AVC. |
Adoption | See MPEG-4_AVC_BP |
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. |
Moving Image | |
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Normal rendering | See MP4_FF_2. |
Clarity (high image resolution) | See MPEG-4_AVC_BP. |
Functionality beyond normal rendering | See MP4_FF_2. |
Sound | |
Fidelity (high audio resolution) | See MP4_FF_2. |
Multiple channels | See MP4_FF_2. |
Functionality beyond normal rendering | See MP4_FF_2. |
Tag | Value | Note |
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Filename extension | See related format. |
See MP4_FF_2. |
Internet Media Type | See related format. |
See MP4_FF_2. |
Magic numbers | See related format. | See MP4_FF_2. |
File type brand (ISO Base Media File Format) | See related format. | See MP4_FF_2. |
Indicator for profile, level, version, etc. | 66 |
The profile_idc element pertains to the encoding and is described as a part of Annex A of Part 10 of the standard, pp. 204-05. |
General | |
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History |
See MP4_FF_2 for MPEG-4 references and MPEG-4_AVC for Advanced Visual Coding references.
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