ISO-13522-8-2001.pdf
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1、Reference number ISO/IEC 13522-8:2001(E) ISO/IEC 2001 INTERNATIONAL STANDARD ISO/IEC 13522-8 First edition 2001-05-15 Information technology Coding of multimedia and hypermedia information Part 8: XML notation for ISO/IEC 13522-5 Technologies de linformation Codage de linformation multimdia et hyper
2、mdia Partie 8: Notation XML pour lISO/CEI 13522-5 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Shell Global Solutions International B.V./5924979112 Not for Resale, 04/17/2007 10:55:59 MDTNo reproduction or networking permitted without licen
3、se from IHS -,-,- ISO/IEC 13522-8:2001(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performi
4、ng 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 area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF f
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6、etariat at the address given below. ISO/IEC 2001 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at th
7、e 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 22 749 09 47 E-mail copyrightiso.ch Web www.iso.ch Printed in Switzerland ii ISO/IEC 2001 All rights reserved Copyright International Organiza
8、tion for Standardization Provided by IHS under license with ISO Licensee=Shell Global Solutions International B.V./5924979112 Not for Resale, 04/17/2007 10:55:59 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 2001 All rights reserved iii PageContents Foreword.iv In
9、troduction .v 1Scope.1 2Conformance1 3Normative references 1 4Terms and definitions1 5Symbols and abbreviated terms.2 6Structure .2 7Requirements.2 Annex A (normative) XML DTD for ISO/IEC 13522-5 .3 A.1DTD3 Annex B (informative) Sample objects coded in XML.18 B.1Introduction18 B.2Application object1
10、8 B.3Scene object.19 Annex C (informative) DTD validation.20 ISO/IEC 13522-8:2001(E) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Shell Global Solutions International B.V./5924979112 Not for Resale, 04/17/2007 10:55:59 MDTNo reproduction or
11、 networking permitted without license from IHS -,-,- iv Foreword 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 participate in t
12、he 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, governmental and non-g
13、overnmental, in liaison 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 technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. Draft Inter
14、national 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 casting a vote. Attention is drawn to the possibility that some of the elements of this part of
15、 ISO/IEC 13522 may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. International Standard ISO/IEC 13522-8 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, pi
16、cture, multimedia and hypermedia information. It is based on the normative content of ISO/IEC 13522-5:1997, in constituting a new notation of MHEG-5 classes. ISO/IEC 13522 consists of the following parts, under the general title Information technology Coding of multimedia and hypermedia information:
17、 ? Part 1: MHEG object representation Base notation (ASN.1) ?Part 3: MHEG script interchange representation ?Part 4: MHEG registration procedures ?Part 5: Support for base-level interactive applications ?Part 6: Support for enhanced interactive applications ?Part 7: Interoperability and conformance
18、testing for ISO/IEC 13522-5 ?Part 8. XML Notation for ISO/IEC 13522-5 Annex A forms a normative part of this part of ISO/IEC 13522. Annexes B and C are for information only. ISO/IEC 13522-8:2001(E) ISO/IEC 2001 All rights reserved Copyright International Organization for Standardization Provided by
19、IHS under license with ISO Licensee=Shell Global Solutions International B.V./5924979112 Not for Resale, 04/17/2007 10:55:59 MDTNo reproduction or networking permitted without license from IHS -,-,- v Introduction This part of ISO/IEC 13522 specifies a third formal notation based on XML for ISO/IEC
20、13522-5:1997. At present the normative components of ISO/IEC 13522-5:1997 are unambiguously expressed in ASN.1 and EBNF textual Notation. Both of these formats are well known to most software specialists. But it is thought that the standard would attract a wider user community if a more familiar mar
21、kup language was used to express the elements of the Standard. XML has been suggested as the appropriate markup language to use because a very large number of WWW authors already use HTML; and both XML and HTML have a common ancestor in SGML. Many applications or application components may be retrie
22、ved from the Internet or written by persons who know or use HTML document formats; thus an MHEG-5 engine capable of processing objects expressed in XML would appeal to a wide audience of potential users. Material stored on Intranet servers in XML format might also be easily and quickly inserted into
23、 broadcast applications. In addition it is expected that the WWW and MHEG technologies will eventually merge. Hence an XML version of MHEG-5 may be consistent with this process when it begins to take place. In XML, a DTD (Document Type Definition) defines a verifiable syntax for a class of XML docum
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