【英文标准名称】:Informationtechnology-Codingofmultimediaandhypermediainformation-MHEGscriptinterchangerepresentation
【原文标准名称】:信息技术.多媒体和超媒体信息的编码.MHEG正本互换表示法
【标准号】:BSISO/IEC13522-3-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:程序设计技术;通信规程;信息交流;超媒体;数据传送;数据处理(软件);编码(数据转换);多媒体;图解表示法;数据处理;编码(程序设计);图形表示
【英文主题词】:Codedrepresentation;Coding(dataconversion);Communicationprocedures;Computergraphics;Dataprocessing;Datarepresentation;Exchangeformats;Graphiccharacters;Hypermedia;Imageprocessing;Informationexchange;Informationinterchange;Informationtechnology;Multimedia
【摘要】:1ContextofthescopeISO/IEC13522specifiesthecodedrepresentationofmultimedia/hypermediainformationobjects(MHEGobjects)forinterchangeasfinalformunitswithinoracrossservicesandapplications,byanymeansofinterchangeincludinglocalareanetworks,wideareatelecommunicationorbroadcastnetworks,storagemedia,etc.MHEGobjectsareusuallyproducedbycomputertoolstakingasasourceformmultimediaapplicationsdesignedusingmultimediascriptinglanguages.Inthiscontext,oneoftheMHEGobjectclasses,thescriptclass,isintendedtocomplementtheotherMHEGclassesinexpressingthefunctionalitycommonlysupportedbyscriptinglanguages.ScriptobjectsexpressmorepowerfulcontrolmechanismsanddescribemorecomplexrelationshipsamongMHEGobjectsthancanbeexpressedbyMHEGactionandlinkobjectsalone.Furthermore,scriptobjectsexpressaccessandinteractionwithexternalservicesprovidedbytherun-timeenvironment.OtherpartsofISO/IEC13522definethecodedrepresentationforscriptobjectsinanopenmannersothatscriptobjectsmayencapsulateeitherstandardisedorproprietaryscriptcode.ScriptobjectsencapsulatescriptsthatmaybeencodedinanyencodingformatasregisteredaccordingtoISO/IEC13522-4.2ScopeofthispartofISO/IEC13522ThescopeofthispartofISO/IEC13522istoextendthecodedrepresentationoftheMHEGscriptobjectclassdefinedbyanotherpartofISO/IEC13522,includingISO/IEC13522-1andISO/IEC13522-5.ThispartofISO/IEC13522specifiestheMHEGscriptinterchangerepresentation(MHEG-SIR)forthecontentsofscriptobjects,i.e.theencodingofthescriptdatacomponentoftheMHEGscriptclass.MHEGenginesaresystemorapplicationcomponentsthathandle,interpretandpresentMHEGobjects.ThispartofISO/IEC13522alsospecifiesthesemanticsofinterchangedscripts.ThesesemanticsaredefinedintermsofminimumrequirementsonthebehaviourofMHEGenginesthatsupporttheinterpretationofinterchangedscripts.ThispartofISO/IEC13522isapplicabletoallapplicationsthatinterchangemultimediaandhypermediainformation.
【中国标准分类号】:M70
【国际标准分类号】:35_040;35_240_99
【页数】:150P;A4
【正文语种】:英语