1、Reference numberISO/IEC 13818-4:1998/Amd.2:2000(E)ISO/IEC 2000INTERNATIONALSTANDARDISO/IEC13818-4First edition1998-12-01AMENDMENT 22000-03-15Information technology Generic codingof moving pictures and associated audioinformation Part 4:Conformance testingAMENDMENT 2: System target decodermodelTechno
2、logies de linformation Codage gnrique des images animes etdes informations sonores associes Partie 4: Essais de conformitAMENDEMENT 2: Modle de dcodeur de cible systmeAdopted by INCITS (InterNational Committee for Information Technology Standards) as an American National Standard.Date of ANSI Approv
3、al: 12/13/00Published by American National Standards Institute,25 West 43rd Street, New York, New York 10036Copyright 2002 by Information Technology Industry Council (ITI).All rights reserved.These materials are subject to copyright claims of International Standardization Organization (ISO), Interna
4、tionalElectrotechnical Commission (IEC), American National Standards Institute (ANSI), and Information Technology Industry Council(ITI). Not for resale. No part of this publication may be reproduced in any form, including an electronic retrieval system, withoutthe prior written permission of ITI. Al
5、l requests pertaining to this standard should be submitted to ITI, 1250 Eye Street NW,Washington, DC 20005.Printed in the United States of AmericaISO/IEC 13818-4:1998/Amd.2:2000(E)PDF disclaimerThis PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be
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10、l copyrightiso.chWeb www.iso.chPrinted in Switzerlandii ISO/IEC 2000 All rights reservedISO/IEC 13818-4:1998/Amd.2:2000(E) ISO/IEC 2000 All rights reserved iiiForewordISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission)form the specialized
11、system for worldwide standardization. National bodies that are members of ISO or IECparticipate in the development of International Standards through technical committees established by therespective organization to deal with particular fields of technical activity. ISO and IEC technical committeesc
12、ollaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, inliaison with ISO and IEC, also take part in the work.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.In the field of information t
13、echnology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting.Publication as an International Standard requires approval by at least 75 % of the national bodies ca
14、sting a vote.Attention is drawn to the possibility that some of the elements of this Amendment may be the subject of patentrights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.Amendment 2 to International Standard ISO/IEC 13818-4:1998 was prepared by Joint
15、Technical CommitteeISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia andhypermedia information.ISO/IEC 13818-4:1998/Amd.2:2000(E) ISO/IEC 2000 All rights reserved 1Information technology Generic coding of moving pictures andassociated audio information P
16、art 4:Conformance testingAMENDMENT 2: System target decoder model1) Replace the following in subclause 2.3.2.1.8 Program Map Table tests“stream_type: Test that the stream_type field does not take the following values:0x00, 0x0F-0x7F.”to“stream_type: Test that the stream_type field does not take the
17、following values:0x00, 0x10-0x7F.”2) Add the following to the last paragraph in subclause 2.3.2.1.8 Program Map Table tests: stream_type:If the field takes the value 0x0F, test that the Transport Stream packets of the PID listed in the nextelementary_PID contain ISO/IEC 13818-7 AAC(ADTS) audio data.
18、ISO/IEC 13818-4:1998/Amd.2:2000(E)2 ISO/IEC 2000 All rights reserved3) Replace the following in subclause 2.3.2.2.3 Tests on Program Stream map“stream_type: Test that the stream_type field does not take the following values: 0x00, 0x05, 0x0A-0x7F.”to“stream_type: Test that the stream_type field does
19、 not take the following values: 0x00, 0x05, 0x0A-0x0E, 0x10-0x7F.”4) Add the following to the last paragraph in subclause 2.3.2.2.3 Tests on Program Stream map:elementary_stream_id:If the stream_type field takes the value 0x0F, test that the elementary_stream_id takes a value 110x xxxx and thatPES p
20、ackets with a stream_id equal to the elementary_stream_id contain ISO/IEC 13818-7 AAC(ADTS) audiodata.5) Replace the following first sentence in subclause 2.3.3.6.1 Private data in Program Streams“Decoders shall at a minimum be capable of recognising and discarding all packets for which the stream_t
21、ype isprivate (stream_type = 0x05, 0x06, 0x08-0xFF).”to“Decoders shall at a minimum be capable of recognising and discarding all packets for which the stream_type isprivate (stream_type = 0x05, 0x06, 0x08-0x0E, 0x10-0xFF).”ISO/IEC 13818-4:1998/Amd.2:2000(E)ICS 35.040Price based on 2 pages ISO/IEC 2000 All rights reserved
