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1、 Reference number ISO/IEC 14496-5:2001/Amd.20:2009(E) ISO/IEC 2009 INTERNATIONAL STANDARD ISO/IEC 14496-5 Second edition 2001-12-15 AMENDMENT 20 2009-02-01 Information technology Coding of audio-visual objects Part 5: Reference software AMENDMENT 20: MPEG-1 and -2 on MPEG-4 reference software and BS
2、AC extensions Technologies de linformation Codage des objets audiovisuels Partie 5: Logiciel de rfrence AMENDEMENT 20: Logiciel de rfrence MPEG-1 et -2 sur MPEG-4 et extensions BSAC Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring
3、/1111111164 Not for Resale, 04/08/2009 06:22:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14496-5:2001/Amd.20:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed bu
4、t shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this
5、area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for us
6、e by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized
7、 in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41
8、 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2009 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 04/08/2009 06:22:19 MDTNo reproduction
9、or networking permitted without license from IHS -,-,- ISO/IEC 14496-5:2001/Amd.20:2009(E) ISO/IEC 2009 All rights reserved iii Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standard
10、ization. National bodies that are members of ISO or IEC participate 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 mu
11、tual interest. Other international organizations, governmental 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 accord
12、ance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Stan
13、dard 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 patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. Amendment 20 t
14、o ISO/IEC 14496-5:2001 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Mon
15、itoring/1111111164 Not for Resale, 04/08/2009 06:22:19 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 04/08/2009 06:22:19 MDTNo
16、 reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14496-5:2001/Amd.20:2009(E) ISO/IEC 2009 All rights reserved 1 Information technology Coding of audio-visual objects Part 5: Reference software AMENDMENT 20: MPEG-1 and -2 on MPEG-4 reference software and BSAC extensions Re
17、place Clause 3 with the following text, where changes or additions are highlighted with grey shading: Location Content audio/natural/mp4AudVm_Rewrite Natural audio decoder audio/natural/mp4mcDec AAC decoder audio/natural/mpeg12dec MPEG-1/2 Layer I, II, III decoder audio/natural/mpeg12to4 MPEG-1/2 La
18、yer I, II, III transcoder audio/natural/epTool Error protection decoder extension audio/SNHC/mpeg4sa Structured audio decoder audio/SNHC/mpeg4ac Audio composition software audio/SNHC/mpeg4ttsi Text to speech decoder audio/SNHC/mpeg4smr Symbolic Music Representation decoder and tools audio/lossless/m
19、peg4dst DST decoder audio/lossless/mpeg4als ALS decoder audio/lossless/mpeg4sls SLS decoder In the electronic annex, replace the subdirectory natural with the version provided with this Amendment. Copyright International Organization for Standardization Provided by IHS under license with ISO License
20、e=HP Monitoring/1111111164 Not for Resale, 04/08/2009 06:22:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 14496-5:2001/Amd.20:2009(E) ICS 35.040 Price based on 1 page ISO/IEC 2009 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 04/08/2009 06:22:19 MDTNo reproduction or networking permitted without license from IHS -,-,-