CA Presents the business case for a Digital Rights Expression Language, an overview of the DRM landscape, a discussion of the history and role of standards in business, and some technical aspects of MPEG-21. "[U]nless the rights to ... content can be packaged within machine-readable licences, guaranteed to be ubiquitous, unambiguous and secure, which can then be processed consistently and reliably, it is unlikely that content owners will trust consign [sic] their content to networks. The MPEG Rights Expression Language (REL) is designed to provide the functionality required by content owners in order to create reliable, secure licences for content which can be used throughout the value chain, from content creator to content consumer."
Conclusions
RQ "While true interoperability may still be a distant prospect, a common rights expression language, with extensions based on the MPEG REL, can incrementally bring many of the benefits true interoperability will eventually yield. As extensions are created in multiple content verticals, it will be possible to transfer content generated in one securely to another. This will lead to cross channel fertilisation and the growth of multimedia content. At the same time, a common rights language will also lead to the possibility of broader content distribution (by enabling cross-DRM portability), thus providing more channel choice for consumers. It is this vision of the MPEG REL spreading out that is such an exciting prospect. ... The history of MPEG standards would seem to suggest that implementers will start building to the specification in mid-2003, coincidental with the completion of the standard. This will be followed by extensive take-up within two or three years, so that by mid 2006, the MPEG REL will be a pervasive technology, implemented across many different digital rights management and conditional access systems, in both the content industries and in other, non-rights based industries. ... The REL will ultimately become a 'transparent' technology, as invisible to the user as the phone infrastructure is today."
SOW
DC DC The Moving Picture Experts Group (MPEG) is a working group of ISO/IEC, made up of some 350 members from various industries and universities, in charge of the development of international standards for compression, decompression, processing, and coded representation of moving pictures, audio and their combination. MPEG's official designation is ISO/IEC JTC1/SC29/WG11. So far MPEG has produced the following compression formats and ancillary standards: MPEG-1, the standard for storage and retrieval of moving pictures and audio on storage media (approved Nov. 1992); MPEG-2, the standard for digital television (approved Nov. 1994); MPEG-4, the standard for multimedia applications; MPEG-7, the content representation standard for multimedia information search, filtering, management and processing; and MPEG-21, the multimedia framework.
