CSA ISO/IEC 21000-8D AMD 4
Amendment 4:2019 to CAN/CSA-ISO/IEC 21000-8-09, Information technology - Multimedia framework (MPEG-21) - Part 8: Reference software - Amendment 4: Media value chain ontology extensions on time-segments and multi-track audio (Adopted amendment 4:2018 to ISO/IEC 21000-8:2008)