ISO/IEC 13818-4-2004 信息技术.运动图像及其伴音信息的通用编码.第4部分:一致性测试
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【英文标准名称】:Informationtechnology-Genericcodingofmovingpicturesandassociatedaudioinformation-Part4:Conformancetesting
【原文标准名称】:信息技术.运动图像及其伴音信息的通用编码.第4部分:一致性测试
【标准号】:ISO/IEC13818-4-2004
【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】:试验;录音;合格试验;信息技术;编码(数据转换);数据转换;视频记录;多媒体;图像描述信息;定义;图像录制;一致性;编码;数据处理
【英文主题词】:Coding(dataconversion);Conformitytesting;Consistency;Dataconversion;Dataprocessing;Definition;Definitions;Encoding;Informationtechnology;Multimedia;Picturedescriptioninformation;Picturerecording;Soundrecording;Testing;Tests;Videorecording
【摘要】:ThispartofISO/IEC13818specifieshowtestscanbedesignedtoverifywhetherbitstreamsanddecodersmeetrequirementsspecifiedinparts1,2,3and7ofISO/IEC13818.InthispartofISO/IEC13818,encodersarenotaddressedspecifically.AnencodermaybesaidtobeanISO/IEC13818encoderifitgeneratesbitstreamscompliantwiththesyntacticandsemanticbitstreamrequirementsspecifiedinparts1,2,3and7ofISO/IEC13818.Characteristicsofcodedbitstreamsanddecodersaredefinedforparts1,2,3and7ofISO/IEC13818.Thecharacteristicsofabitstreamdefinethesubsetofthestandardthatisexploitedinthebitstream.Examplesaretheappliedvaluesorrangeofthepicturesizeandbitrateparameters.Decodercharacteristicsdefinethepropertiesandcapabilitiesoftheapplieddecodingprocess.Anexampleofapropertyistheappliedarithmeticaccuracy.Thecapabilitiesofadecoderspecifywhichcodedbitstreamsthedecodercandecodeandreconstruct,bydefiningthesubsetofthestandardthatmaybeexploitedindecodablebitstreams.Abitstreamcanbedecodedbyadecoderifthecharacteristicsofthecodedbitstreamarewithinthesubsetofthestandardspecifiedbythedecodercapabilities.Proceduresaredescribedfortestingconformanceofbitstreamsanddecoderstotherequirementsdefinedinparts1,2,3and7ofISO/IEC13818.Giventhesetofcharacteristicsclaimed,therequirementsthatmustbemetarefullydeterminedbyparts1,2,3and7ofISO/IEC13818.ThispartofISO/IEC13818summarisestherequirements,crossreferencesthemtocharacteristics,anddefineshowconformancewiththemcanbetested.Guidelinesaregivenonconstructingteststoverifybitstreamanddecoderconformance.Thisdocumentgivesguidelinesonhowtoconstructbitstreamtestsuitestocheckorverifydecoderconformance.Inaddition,sometestbitstreamsimplementedaccordingtothoseguidelinesareprovidedasanelectronicannextothisdocument.
【中国标准分类号】:L81
【国际标准分类号】:35_040
【页数】:114P.;A4
【正文语种】:英语
【原文标准名称】:信息技术.运动图像及其伴音信息的通用编码.第4部分:一致性测试
【标准号】:ISO/IEC13818-4-2004
【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】:试验;录音;合格试验;信息技术;编码(数据转换);数据转换;视频记录;多媒体;图像描述信息;定义;图像录制;一致性;编码;数据处理
【英文主题词】:Coding(dataconversion);Conformitytesting;Consistency;Dataconversion;Dataprocessing;Definition;Definitions;Encoding;Informationtechnology;Multimedia;Picturedescriptioninformation;Picturerecording;Soundrecording;Testing;Tests;Videorecording
【摘要】:ThispartofISO/IEC13818specifieshowtestscanbedesignedtoverifywhetherbitstreamsanddecodersmeetrequirementsspecifiedinparts1,2,3and7ofISO/IEC13818.InthispartofISO/IEC13818,encodersarenotaddressedspecifically.AnencodermaybesaidtobeanISO/IEC13818encoderifitgeneratesbitstreamscompliantwiththesyntacticandsemanticbitstreamrequirementsspecifiedinparts1,2,3and7ofISO/IEC13818.Characteristicsofcodedbitstreamsanddecodersaredefinedforparts1,2,3and7ofISO/IEC13818.Thecharacteristicsofabitstreamdefinethesubsetofthestandardthatisexploitedinthebitstream.Examplesaretheappliedvaluesorrangeofthepicturesizeandbitrateparameters.Decodercharacteristicsdefinethepropertiesandcapabilitiesoftheapplieddecodingprocess.Anexampleofapropertyistheappliedarithmeticaccuracy.Thecapabilitiesofadecoderspecifywhichcodedbitstreamsthedecodercandecodeandreconstruct,bydefiningthesubsetofthestandardthatmaybeexploitedindecodablebitstreams.Abitstreamcanbedecodedbyadecoderifthecharacteristicsofthecodedbitstreamarewithinthesubsetofthestandardspecifiedbythedecodercapabilities.Proceduresaredescribedfortestingconformanceofbitstreamsanddecoderstotherequirementsdefinedinparts1,2,3and7ofISO/IEC13818.Giventhesetofcharacteristicsclaimed,therequirementsthatmustbemetarefullydeterminedbyparts1,2,3and7ofISO/IEC13818.ThispartofISO/IEC13818summarisestherequirements,crossreferencesthemtocharacteristics,anddefineshowconformancewiththemcanbetested.Guidelinesaregivenonconstructingteststoverifybitstreamanddecoderconformance.Thisdocumentgivesguidelinesonhowtoconstructbitstreamtestsuitestocheckorverifydecoderconformance.Inaddition,sometestbitstreamsimplementedaccordingtothoseguidelinesareprovidedasanelectronicannextothisdocument.
【中国标准分类号】:L81
【国际标准分类号】:35_040
【页数】:114P.;A4
【正文语种】:英语
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