ISO/IEC 14496-4-2004 信息技术.音频-可视对象的编码.第4部分:一致性测试
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【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part4:Conformancetesting
【原文标准名称】:信息技术.音频-可视对象的编码.第4部分:一致性测试
【标准号】:ISO/IEC14496-4-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-12-01
【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】:尺寸;代码表示;多媒体;合格试验;数据处理;编码(数据转换);编码;对象;声信号;信息技术;视频信号;计算机制图;信息交换;图像处理
【英文主题词】:Acousticsignals;Codedrepresentation;Coding(dataconversion);Computergraphics;Conformity;Conformitytesting;Dataprocessing;Encoding;Formats;Imageprocessing;Informationinterchange;Informationtechnology;Multimedia;Object;Videosignals
【摘要】:ThispartofISO/IEC14496specifieshowtestscanbedesignedtoverifywhetherbitstreamsanddecodersmeetrequirementsspecifiedinparts1,2and3ofISO/IECIEC14496andforpart6ofISO/IEC14496itspecifieshowtestscanbedesignedforbitstreamdeliveryovervariousdeliverytechnologiesinaninteroperabletransparentmannertoparts1,2and3.InthispartofISO/IEC14496,encodersarenotaddressedspecifically.AnencodermaybesaidtobeanISO/IEC14496encoderifitgeneratesbitstreamscompliantwiththesyntacticandsemanticbitstreamrequirementsspecifiedinparts1,2and3ofISO/IEC14496.Characteristicsofcodedbitstreamsanddecodersaredefinedforparts1,2and3ofISO/IEC14496.Thecharacteristicsofabitstreamdefinethesubsetofthestandardthatisexploitedinthebitstream.Examplesaretheappliedvaluesorrangeofthepicturesizeandbitrateparameters.Decodercharacteristicsdefinethepropertiesandcapabilitiesoftheapplieddecodingprocess.Anexampleofapropertyistheappliedarithmeticaccuracy.Thecapabilitiesofadecoderspecifywhichcodedbitstreamsthedecodercandecodeandreconstruct,bydefiningthesubsetofthestandardthatmaybeexploitedindecodablebitstreams.Abitstreamcanbedecodedbyadecoderifthecharacteristicsofthecodedbitstreamarewithinthesubsetofthestandardspecifiedbythedecodercapabilities.Proceduresaredescribedfortestingconformanceofbitstreamsanddecoderstotherequirementsdefinedinparts1,2and3ofISO/IEC14496.Giventhesetofcharacteristicsclaimed,therequirementsthatmustbemetarefullydeterminedbyparts1,2and3ofISO/IEC14496.ThispartofISO/IEC14496summarisestherequirements,crossreferencesthemtocharacteristics,anddefineshowconformancewiththemcanbetested.Guidelinesaregivenonconstructingteststoverifybitstreamanddecoderconformance.Thisdocumentgivesguidelinesonhowtoconstructbitstreamtestsuitestocheckorverifydecoderconformance.Inaddition,sometestbitstreamsimplementedaccordingtothoseguidelinesareprovidedasanelectronicannextothisdocument.Theproceduresandsignalingmessagesforsessionandchannelestablishmentaredefinedinpart6ofISO/IEC14496.ConformancewiththesignalingmessagesandproceduresinthispartofISO/IEC14496aredefinedinaccordancetothespecificationsinpart6ofISO/IEC14496.ThisspecificationallowsthemanufacturertoidentifytheconformanceofthesignalingmessageinastaticreviewandprovidesabstracttestcasestotesttheconformancetotheproceduresinadynamicreviewofanimplementationasdefinedinISO/IEC9646ConformanceTestingstandard.
【中国标准分类号】:L81
【国际标准分类号】:35_040
【页数】:308P.;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4部分:一致性测试
【标准号】:ISO/IEC14496-4-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-12-01
【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】:尺寸;代码表示;多媒体;合格试验;数据处理;编码(数据转换);编码;对象;声信号;信息技术;视频信号;计算机制图;信息交换;图像处理
【英文主题词】:Acousticsignals;Codedrepresentation;Coding(dataconversion);Computergraphics;Conformity;Conformitytesting;Dataprocessing;Encoding;Formats;Imageprocessing;Informationinterchange;Informationtechnology;Multimedia;Object;Videosignals
【摘要】:ThispartofISO/IEC14496specifieshowtestscanbedesignedtoverifywhetherbitstreamsanddecodersmeetrequirementsspecifiedinparts1,2and3ofISO/IECIEC14496andforpart6ofISO/IEC14496itspecifieshowtestscanbedesignedforbitstreamdeliveryovervariousdeliverytechnologiesinaninteroperabletransparentmannertoparts1,2and3.InthispartofISO/IEC14496,encodersarenotaddressedspecifically.AnencodermaybesaidtobeanISO/IEC14496encoderifitgeneratesbitstreamscompliantwiththesyntacticandsemanticbitstreamrequirementsspecifiedinparts1,2and3ofISO/IEC14496.Characteristicsofcodedbitstreamsanddecodersaredefinedforparts1,2and3ofISO/IEC14496.Thecharacteristicsofabitstreamdefinethesubsetofthestandardthatisexploitedinthebitstream.Examplesaretheappliedvaluesorrangeofthepicturesizeandbitrateparameters.Decodercharacteristicsdefinethepropertiesandcapabilitiesoftheapplieddecodingprocess.Anexampleofapropertyistheappliedarithmeticaccuracy.Thecapabilitiesofadecoderspecifywhichcodedbitstreamsthedecodercandecodeandreconstruct,bydefiningthesubsetofthestandardthatmaybeexploitedindecodablebitstreams.Abitstreamcanbedecodedbyadecoderifthecharacteristicsofthecodedbitstreamarewithinthesubsetofthestandardspecifiedbythedecodercapabilities.Proceduresaredescribedfortestingconformanceofbitstreamsanddecoderstotherequirementsdefinedinparts1,2and3ofISO/IEC14496.Giventhesetofcharacteristicsclaimed,therequirementsthatmustbemetarefullydeterminedbyparts1,2and3ofISO/IEC14496.ThispartofISO/IEC14496summarisestherequirements,crossreferencesthemtocharacteristics,anddefineshowconformancewiththemcanbetested.Guidelinesaregivenonconstructingteststoverifybitstreamanddecoderconformance.Thisdocumentgivesguidelinesonhowtoconstructbitstreamtestsuitestocheckorverifydecoderconformance.Inaddition,sometestbitstreamsimplementedaccordingtothoseguidelinesareprovidedasanelectronicannextothisdocument.Theproceduresandsignalingmessagesforsessionandchannelestablishmentaredefinedinpart6ofISO/IEC14496.ConformancewiththesignalingmessagesandproceduresinthispartofISO/IEC14496aredefinedinaccordancetothespecificationsinpart6ofISO/IEC14496.ThisspecificationallowsthemanufacturertoidentifytheconformanceofthesignalingmessageinastaticreviewandprovidesabstracttestcasestotesttheconformancetotheproceduresinadynamicreviewofanimplementationasdefinedinISO/IEC9646ConformanceTestingstandard.
【中国标准分类号】:L81
【国际标准分类号】:35_040
【页数】:308P.;A4
【正文语种】:英语
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