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ISO/IEC 21000-22 (2019-08)

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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.

Author ISO/IEC
Editor ISO/IEC
Document type Standard
Format File
Edition 2.0
ICS 35.040 : Character sets and information coding
35.040.40 : Coding of audio, video, multimedia and hypermedia information
Number of pages 206
Replace ISO/IEC 21000-22 AMD 1 (2018-07)
ISO/IEC 21000-22 (2016-11)
Year 2019
Document history ISO/IEC 21000-22 (2016-11)
ISO/IEC 21000-22 AMD 1 (2018-07)
Country International
Keyword IEC21000;ISO/IEC 21000-22:2019