ISO/IEC 14496-23-2008 信息技术.音频-可视对象的编码.第23部分:音频符号的表示法
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【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part23:SymbolicMusicRepresentation
【原文标准名称】:信息技术.音频-可视对象的编码.第23部分:音频符号的表示法
【标准号】:ISO/IEC14496-23-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-02
【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/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;音频;代码表示;编码(数据转换);数据交换;数据格式;数据处理;定义;编码;文档结构;(数据)格式;功能性;图像处理;信息交换;信息技术;MPEG;多媒体;表示法;句法;视频信号
【英文主题词】:Acousticsignals;Audiovisual;Codedrepresentation;Coding(dataconversion);Dataexchange;Dataformats;Dataprocessing;Definition;Definitions;Encoding;Filestructure;Formats;Functionality;Imageprocessing;Informationinterchange;Informationtechnology;MPEG;Multimedia;Representations;Syntax;Videosignals
【摘要】:ThisInternationalStandarddefinestheSymbolicMusicRepresentationtechnology.BycapitalisingtheSymbolicMusicRepresentationtechnologytheacronym“SMR”hasbeenderived.Asymbolicrepresentationofmusicisalogicalstructurebasedonsymbolicelementsrepresentingaudiovisualevents,therelationshipbetweenthoseevents,andaspectsrelatedtohowthoseeventscanberenderedandsynchronizedwithothermediatypes.Manysymbolicrepresentationsofmusicexist,includingdifferentstylesofnotationforchant,classicalmusic,jazzand20th-centurystyles;percussionnotation;andsimplifiednotationsformatsforchildrenandvisionimpairedreaders.MPEG-4SMRdoesnotstandardizeoneormoreoftheserepresentations,butinsteadisanextensiblelanguageallowingthoserepresentationsandmanymorewhichshareacommonunderlyingstructureofmusicrepresentation.MPEG-4SMRallowsthesynchronizationofsymbolicmusicelementswithaudiovisualeventsthatexistingstandardizedMPEGtechnologycanrepresentandrender.TheSMRtechnologyiscomposedofdifferenttools,whichnormativedescriptionsareinClauses7to12.―SMRBitstream:thesyntaxandsemanticsoftheSMRbitstream.―SymbolicMusicExtensibleFormat(SM-XF):thesyntaxandsemanticsoftheSMRformat.―SymbolicMusicSynchronizationInformation(SM-SI):thesyntaxandsemanticsofthesynchronisationInformationbetweentheSMRelementsandtheotheraudiovisualelements.―SymbolicMusicFormattingLanguage(SM-FL):thesyntaxandsemanticsoftherenderingrulesthatareappliedtotheSMRXMLformatforrendering.―SMRObjectTypesforProfiles:theobjecttypesofSMRtobeusedforthedefinitionofProfiles.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:173P;A4
【正文语种】:英语
【原文标准名称】:信息技术.音频-可视对象的编码.第23部分:音频符号的表示法
【标准号】:ISO/IEC14496-23-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-02
【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/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;音频;代码表示;编码(数据转换);数据交换;数据格式;数据处理;定义;编码;文档结构;(数据)格式;功能性;图像处理;信息交换;信息技术;MPEG;多媒体;表示法;句法;视频信号
【英文主题词】:Acousticsignals;Audiovisual;Codedrepresentation;Coding(dataconversion);Dataexchange;Dataformats;Dataprocessing;Definition;Definitions;Encoding;Filestructure;Formats;Functionality;Imageprocessing;Informationinterchange;Informationtechnology;MPEG;Multimedia;Representations;Syntax;Videosignals
【摘要】:ThisInternationalStandarddefinestheSymbolicMusicRepresentationtechnology.BycapitalisingtheSymbolicMusicRepresentationtechnologytheacronym“SMR”hasbeenderived.Asymbolicrepresentationofmusicisalogicalstructurebasedonsymbolicelementsrepresentingaudiovisualevents,therelationshipbetweenthoseevents,andaspectsrelatedtohowthoseeventscanberenderedandsynchronizedwithothermediatypes.Manysymbolicrepresentationsofmusicexist,includingdifferentstylesofnotationforchant,classicalmusic,jazzand20th-centurystyles;percussionnotation;andsimplifiednotationsformatsforchildrenandvisionimpairedreaders.MPEG-4SMRdoesnotstandardizeoneormoreoftheserepresentations,butinsteadisanextensiblelanguageallowingthoserepresentationsandmanymorewhichshareacommonunderlyingstructureofmusicrepresentation.MPEG-4SMRallowsthesynchronizationofsymbolicmusicelementswithaudiovisualeventsthatexistingstandardizedMPEGtechnologycanrepresentandrender.TheSMRtechnologyiscomposedofdifferenttools,whichnormativedescriptionsareinClauses7to12.―SMRBitstream:thesyntaxandsemanticsoftheSMRbitstream.―SymbolicMusicExtensibleFormat(SM-XF):thesyntaxandsemanticsoftheSMRformat.―SymbolicMusicSynchronizationInformation(SM-SI):thesyntaxandsemanticsofthesynchronisationInformationbetweentheSMRelementsandtheotheraudiovisualelements.―SymbolicMusicFormattingLanguage(SM-FL):thesyntaxandsemanticsoftherenderingrulesthatareappliedtotheSMRXMLformatforrendering.―SMRObjectTypesforProfiles:theobjecttypesofSMRtobeusedforthedefinitionofProfiles.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:173P;A4
【正文语种】:英语
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