ISO/IEC 13522-3-1997 信息技术.多媒体和超媒体信息编码.第3部分:MHEG脚本交换表示
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【英文标准名称】:Informationtechnology-Codingofmultimediaandhypermediainformation-Part3:MHEGscriptinterchangerepresentation
【原文标准名称】:信息技术.多媒体和超媒体信息编码.第3部分:MHEG脚本交换表示
【标准号】:ISO/IEC13522-3-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:超媒体;交换格式;数据表示;编码(数据转换);代码表示;图形显示字符;多媒体;信息技术;信息交流;数据处理;通信规程;图象加工;信息交换;计算机制图
【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】:L71
【国际标准分类号】:35_040;35_240_99
【页数】:135P.;A4
【正文语种】:英语
【原文标准名称】:信息技术.多媒体和超媒体信息编码.第3部分:MHEG脚本交换表示
【标准号】:ISO/IEC13522-3-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:超媒体;交换格式;数据表示;编码(数据转换);代码表示;图形显示字符;多媒体;信息技术;信息交流;数据处理;通信规程;图象加工;信息交换;计算机制图
【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】:L71
【国际标准分类号】:35_040;35_240_99
【页数】:135P.;A4
【正文语种】:英语
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