Sustainability of Digital Formats
Planning for Library of Congress Collections
Sustainability of Digital Formats
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| Introduction | Sustainability Factors | Content Categories | Format Descriptions | Contact | |
| Full name | ISO/IEC 15444-1:2000. Information technology -- JPEG 2000 image coding system -- Part 1: Core coding system, file format as specified in Annex I, with lossless encoded bitstream JPEG 2000 jp2 file format with lossless data (common name) |
| Description | JPEG 2000 core (part 1) wrapper containing lossless encoded data. For more information, see Web pages linked under "Relationships to other formats" below. |
| Production phase | May be used for content in initial, middle, and final states. |
| Relationship to other formats | |
| Subtype of | JP2_FF, JPEG 2000 Part 1 (Core) jp2 File Format |
| Contains | J2K_C_LL, JPEG 2000 Part 1, Core Coding, Lossless |
| LC experience or existing holdings | Plans for a video reformatting prototype in the Library's Motion Picture, Broadcasting, and Recorded Sound Division call for individual frame images to be stored as JP2_J2K_C_LL; details are not final as of June 2005. |
| LC preference | None established. |
| Disclosure | See JP2_FF and J2K_C. |
| Documentation | See JP2_FF and J2K_C. |
| Adoption | See JP2_FF. |
| Licensing and patent claims | See JP2_FF and J2K_C. |
| Transparency | See J2K_C. |
| Self-documentation | See JP2_FF. |
| External dependencies | See JP2_FF and J2K_C. |
| Technical protection considerations | See JP2_FF. |
| Normal rendering | Good support. |
| Clarity (support for high image resolution) | See J2K_C. |
| Color maintenance | See JP2_FF and J2K_C. |
| Support for graphic effects and typography | See JP2_FF. |
| Functionality beyond normal rendering | See JP2_FF and J2K_C. |
| Tag type | Value | Note |
| Filename Extension | See JP2_FF. | |
| Internet Media Type | See JP2_FF. | |
| Magic numbers | See JP2_FF. | |
| File type brand | See JP2_FF. |
| General | |
| History |
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