The MPEG-21 standard, from the
Moving Picture Experts Group aims at defining an open framework for
multimedia applications. ISO 21000.Specifically, MPEG-21 defines a "Rights Expression Language" standard as means of sharing digital rights/permissions/restrictions for digital content from content creator to content consumer. As an
XML-based standard, MPEG-21 is designed to communicate machine-readable license information and do so in a "ubiquitous, unambiguous and secure" manner.
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<
compression,
standard,
algorithm,
file format> A
file format designed to merge very different things in one object, so you can store interactive material in this format (audio, video, questions, answers, overlays, non-linear order, calculation from user inputs, etc.)
[Technical details?]
(2001-12-02)
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