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-2 File with 422 Video and Layer II Audio Encoding |
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Description | File containing an MPEG-2 program stream consisting of 4:2:2 Profile MPEG-2 encoded video multiplexed with MPEG-1 and MPEG-2 Layer II encoded audio. The program stream may also be delivered via a serial interface. |
Production phase | Generally a final-state (end-user delivery) format. |
Relationship to other formats | |
Contains | MPEG-2_422, MPEG-2, 4:2:2 Profile |
Contains | MPEG_layer_2_audio, MPEG-1 and MPEG-2 Layer II Audio Encoding |
LC experience or existing holdings | See MPEG-2_family |
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LC preference | See MPEG-2_family |
Disclosure | Open standard. See MPEG-2_family |
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Documentation | See MPEG-2_family |
Adoption | The authors are still investigating adoption of this combination of video and audio encodings. Comments welcome |
Licensing and patents | See MPEG-2_family |
Transparency | See MPEG-2_family |
Self-documentation | See MPEG-2_family |
External dependencies | See MPEG-2_family |
Technical protection considerations | See MPEG-2_family |
Moving Image | |
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Normal rendering | See MPEG-2_422 |
Clarity (high image resolution) | See MPEG-2_422 |
Functionality beyond normal rendering | See MPEG-2_422 |
Sound | |
Normal rendering | See MPEG_layer_2_audio |
Fidelity (high audio resolution) | See MPEG_layer_2_audio |
Multiple channels | See MPEG_layer_2_audio |
Functionality beyond normal rendering | See MPEG_layer_2_audio |
Tag | Value | Note |
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General | |
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History |
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