Sustainability of Digital Formats
|
|
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 lossy encoded bitstream JPEG 2000 jp2 file format with lossy data (common name) |
Description | JPEG 2000 core (part 1) wrapper containing lossy 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_LSY, JPEG 2000 Part 1, Core Coding, Lossy |
LC experience or existing holdings | JP2_FF files are being used for the lossy-compressed service images of maps in American Memory; JPEG 2000 files to replace the existing MrSID files are being phased in during 2005. Meanwhile, the Library and the National Endowment for the Humanities have specified JP2_J2K_C_NDNP for use as lossy-compressed service images in the National Digital Newspaper Program, which was launched during 2004. For detail, see the NDNP technical guidelines. |
LC preference | JP2_FF |
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 |
URLs
Print
URLs
Print
|