MPEG-21
<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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MPEG-21 Definition from Encyclopedia Dictionaries & Glossaries
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MPEG-21
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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