1、TECHNICALREPORTIEC TR 61998First edition1999-10Model and framework for standardizationin multimedia equipment and systemsStructure et modle de normalisationdes appareils et systmes multimdiaReference numberIEC/TR 61998:1999(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATI
2、ON ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.NumberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.Consolidated publicationsConsolidated versions of some IEC publications including amendments areavailable.For example,edition numbers 1.0,1.1 and 1.2 refer,res
3、pectively,to thebase publication,the base publication incorporating amendment 1 and the basepublication incorporating amendments 1 and 2.Validity of this publicationThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current tech
4、nology.Information relating to the date of the reconfirmation of the publication is availablein the IEC catalogue.Information on the subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication,as well as the listof publications issued,is
5、 to be found at the following IEC sources:IEC web site*Catalogue of IEC publicationsPublished yearly with regular updates(On-line catalogue)*IEC BulletinAvailable both at the IEC web site*and as a printed periodicalTerminology,graphical and letter symbolsFor general terminology,readers are referred
6、to IEC 60050:InternationalElectrotechnical Vocabulary(IEV).For graphical symbols,and letter symbols and signs approved by the IEC forgeneral use,readers are referred to publications IEC 60027:Letter symbols to beused in electrical technology,IEC 60417:Graphical symbols for use on equipment.Index,sur
7、vey and compilation of the single sheets and IEC 60617:Graphical symbolsfor diagrams.*See web site address on title page.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TECHNICALREPORTIECTR 61998First edition1999-10Model and framework
8、for standardizationin multimedia equipment and systemsStructure et modle de normalisationdes appareils et systmes multimdiaPRICE CODE IEC 1999 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocop
9、ying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC web site http:/www.iec.chXBFor price,see current catalogue Commission Electrotechnique Internationale Internat
10、ional Electrotechnical CommissionLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 TR 61998 IEC:1999(E)CONTENTSPageFOREWORD.5INTRODUCTION.6Clause1Scope.72Reference documents.83Definitions.84Generic model.84.1Physical and logical connec
11、tivity.94.1.1Information transfer media.104.1.2Transferred data structure.124.2Easy operation.134.3Security.145Specific models.155.1Multimedia data structure.155.2Data creation.165.3Equipment structure.185.4User-system interface.195.5Distribution and management.195.6Open-system interconnection via I
12、SM.205.6.1Specific layers.205.6.2Application layer.225.6.3Presentation layer.225.6.4File layer.235.6.5Volume layer.235.6.6Logical storage layer.235.6.7Physical storage layer.245.6.8Physical layer.245.7Security.255.8Information appliance.255.9Application specific modelling.266Frameworks.266.1TC 100 f
13、rameworks.266.2Examples of new work items.27Annex A Digital TV broadcasting.29A.1Technical overview.29A.2Existing standardization.29A.3User requirements.30A.3.1Broadcaster and contents provider.30A.3.2End-user.30A.4Examples of items needed for standardization for tomorrow.30LICENSED TO MECON Limited
14、.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TR 61998 IEC:1999(E)3 PageAnnex B Internet broadcasting.31B.1Trends in Internet broadcasting.31B.1.1Definition.31B.1.2Broadcasting formats.31B.1.3Typical set-up for Internet broadcasting.31B.2Actual broadcasting
15、technology.33B.3Regulation.34B.4Outlook.34B.4.1Increase in network speed.34B.4.2Improvement in compression technology,standardizationof telecommunication protocols.35B.4.3Popularization in PCs and information appliances.35Annex C Cable TV.36C.1Standardization of digital broadcasting systems crossing
16、 many kinds of media.36Annex D Display interface.37D.1Two types of display systems.37D.2Status of standardization.38D.3User requirements and subjects.40D.4Recommendation.40Annex E Picture coding.41E.1Digital image coding.41E.2Application.42E.3User requirements.42E.4Study issues of core image coding.43Annex F Video game contents.44F.1Games machine market.44F.2Relation to games software.44F.3Distribution of games software.44F.4Developing environment.44F.5Standardization activities.45F.6User requir
