1、 INTERNATIONAL STANDARD ISO/IEC 14496-28:2012TECHNICAL CORRIGENDUM 1 Published 2013-09-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATIONINTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION LECTROTECHNIQUE INTERNATIONALE Information technology Coding of au
2、dio-visual objects Part 28:Composite font representation TECHNICAL CORRIGENDUM 1 Technologies de linformation Codage des objets audiovisuels Partie 28:Reprsentation de la police de caractres composite RECTIFICATIF TECHNIQUE 1 Technical Corrigendum 1 to ISO/IEC 14496-28:2012 was prepared by Joint Tec
3、hnical Committee ISO/IEC JTC 1,Information technology,Subcommittee SC 29,Coding of audio,picture,multimedia and hypermedia information.ISO/IEC 14496-28 includes both the verbal description of the Components element in subclause 5.5 and the DTD of it in Annex A.The verbal description defines the elem
4、ent as the one that contains one or more of either the ComponentDef or LanguagePreferredList elements,which imply an exclusive OR relationship between two types of children i.e.,it implies that either one or more of ComponentDef,or one or more of LanguagePreferredList elements must be present.The DT
5、D,however,defines the structure where both types of elements can be present as children at the same time.Therefore,this corrigendum attempts to clarify and update the verbal description of the Components element.In subclause 5.5 The Components element replace the description of the element with the
6、following:Required.The Components element contains a list of ComponentDef and/or LanguagePreferredList elements.At least one child element must be present in the list.When two or more child elements are present,their order will determine the priority of components defined by corresponding child elements.ICS 35.040 Ref.No.ISO/IEC 14496-28:2012/Cor.1:2013(E)ISO/IEC 2013 All rights reserved Published in Switzerland
