1、Information technology Coding of audio-visual objects Part 4: Conformance testing AMENDMENT 28: Conformance extensions for simple profile level 6Amendment 28:2009 (IDT) toNational Standard of CanadaCAN/CSA-ISO/IEC 14496-4-06(ISO/IEC 14496-4:2004, IDT)NOT FOR RESALE.PUBLICATION NON DESTINE LA REVENTE
2、.CSA Standards Update ServiceAmendment 28:2009 toCAN/CSA-ISO/IEC 14496-4-06October 2009Title: Information technology Coding of audio-visual objects Part 4: Conformance testing AMENDMENT 28: Conformance extensions for simple profile level 6Pagination: 4 pages (iii preliminary and 1 text)To register f
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4、ca or call 416-747-2233.Visit CSAs policy on privacy at www.csagroup.org/legal to find out how we protect your personal information.Reference numberISO/IEC 14496-4:2004/Amd.28:2008(E)ISO/IEC 2008INTERNATIONAL STANDARD ISO/IEC14496-4First edition2004-12-15AMENDMENT 282008-05-15Information technology
5、Coding of audio-visual objects Part 4: Conformance testing AMENDMENT 28: Conformance extensions for simple profile level 6 Technologies de linformation Codage des objets audiovisuels Partie 4: Essai de conformit AMENDEMENT 28: Extensions de conformit pour profil simple de niveau 6 ISO/IEC 14496-4:20
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11、EC 14496-4:2004/Amd.28:2008(E) ISO/IEC 2008 All rights reserved iiiForeword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC parti
12、cipate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmenta
13、l and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
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15、s casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. Amendment 28 to ISO/IEC 14496-4:2004 was prepared by Joint Technical Commit
16、tee ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. It specifies conformance tests for Level 6 of the ISO/IEC 14496-2 Simple Profile. The bitstreams to be used for conformance testing of this level accompany this document. A
17、mendment 28:2009 toCAN/CSA-ISO/IEC 14496-4-06ISO/IEC 14496-4:2004/Amd.28:2008(E) ISO/IEC 2008 All rights reserved 1Information technology Coding of audio-visual objects Part 4: Conformance testing AMENDMENT 28: Conformance extensions for simple profile level 6 After 5.5.3.1.37 add 5.5.3.1.38: 5.5.3.
18、1.38 Conformance for Simple Profile Level 6 5.5.3.1.38.1 Test Bitstream #A7-NOK21 Specification: A series of 720p (1280720) resolution P-VOPs with some periodic I-VOPs, coded at frame rate 30 frames per second without data partitioning and with bit rate 12000 Kbps. The number of MB/s, packet size an
19、d bit rate are the maximum allowed for the profile-and-level combination. To achieve the maximum bit rate, several MBs are INTRA coded for each frame. The VBV approaches the maximum, then approaches the minimum after removal of a frame that is nearly as large as the vbv_buffer_size. Functional stage
20、: VBV Purpose: Check that the decoder has sufficient buffering and I/O bandwidth for Simple Profile Level 6. In 5.5.8, add the following table after Table 11: Table AMD28.1 Normative Test Suites for Simple Profile Level 6 NOTE Each row represents a single bitstream. Legend: S Bitstream is intended f
21、or functional test D Bitstream is intended for dynamic test X Bitstream is for functional and dynamic test Categories Bitstream Donated byBitstreamsNameSimple Error ResilientSimple Scalable L0b L1 L2 L3 L4a L5 L6 L0 L1 L2 A7-NOK21 Nokia nok_720p.cmp X Amendment 28:2009 toCAN/CSA-ISO/IEC 14496-4-06IS
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