ISO/IEC 21000-22:2019 

Information technology - Multimedia framework (MPEG-21) - Part 22: User Description


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ISO/IEC 21000-22:2019 This document standardizes four data formats: User Description (UD), Context Description (CD), Service Description (SD), and Recommendation Description (RD). This document also specifies technologies related to loudness control and visual expression.

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Additional information

Publication typeInternational Standard
Publication date2019-08-13
Available language(s)English
TC/SCISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia informationrss
ICS35.040 - Character sets and information coding
35.040.40 - Coding of audio, video, multimedia and hypermedia information
File size2748 KB

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