標準號：ISO/IEC 14496-4 AMD 20-2008
中文標準名稱：信息技術.視聽對象的編碼.第4部分:一致性試驗.修改件20:可升級的無損失碼(SLS)一致性
英文標準名稱：Information technology - Coding of audio-visual objects - Part 4: Conformance testing - Amendment 20: Scalable to lossless coding (SLS) conformance
標準類型：L71
發(fā)布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：L71
國際標準分類號：35.040
適用范圍：The main task of the joint technical committee is to prepare International Standards. Draft InternationalStandards adopted by the joint technical committee are circulated to national bodies for voting. Publication asan International Standard requires approval by at least 75 % of the national bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patentrights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.Amendment20 to ISO/IEC 14496-4:2004 was prepared by Joint Technical Committee ISO/IECJTC 1,/nformation techno/ogy, Subcommittee SC 29, Coding of audio, picture, mu/timedia and hypermediainformation.This Amendment adds the conformance testing for the SLS audio object types defined in 14496-3.