ISO/IEC 14496-5 AMD 16-2008 信息技术.视听对象的编码.第5部分:参考软件.修改件16:音乐符号表达参考软件
时间:2024-05-18 01:40:38 来源: 标准资料网 作者：标准资料网 阅读：9427
【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part5:Referencesoftware;Amendment16:SymbolicMusicRepresentationreferencesoftware
【原文标准名称】:信息技术.视听对象的编码.第5部分:参考软件.修改件16:音乐符号表达参考软件
【标准号】:ISO/IEC14496-5AMD16-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-07
【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;视听的;代码表示;编码(数据转换);计算机软件;数据处理;编码;(数据)格式;图形数据处理;图像处理;信息交换;信息技术;多媒体;对象;参考材料;参考;视频信号
【英文主题词】:Acousticsignals;Audiovisual;Codedrepresentation;Coding(dataconversion);Computersoftware;Dataprocessing;Encoding;Formats;Graphicdataprocessing;Imageprocessing;Informationinterchange;Informationtechnology;Multimedia;Object;Referencematerials;References;Videosignals
【摘要】:ISO(theInternationalOrganizationforStandardization)andIEC(theInternationalElectrotechnicalCommission)formthespecializedsystemforworldwidestandardizationNationalbodiesthataremembersofISOorIECparticipateinthedevelopmentofInternationalStandardsthroughtechnicalcommrtteesestablishedbytherespectiveorganizationtodealwithparticularfieldsoftechnicalactivityISOandlEDtechnicalcommitteescollaborateinfieldsofmutualinterest.Otherinternationalorganizations,governmentalandnon-governmental,inliaisonwithISOandIEC,alsotakepartinthework.Inthefieldofinformationtechnology,ISOandIEChaveestablishedajointtechnicalcommittee,ISO/IECJTC1InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part2ThemaintaskofthejointtechnicalcommitteeistoprepareinternationalStandardsDraftInternationalStandardsadoptedbythejointtechnicalcommitteearecirculatedtonationalbodiesforvotingPublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthenationalbodiescastingavoteAttentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrightsISOandIECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.Amendment16toISO/IEC14496-5:2001waspreparedbyJointTechnicalCommitteeISO/IECJTC1,Informationtechnology,SubcommitteeSC29,Codingofaudio,picture,multimediaandhypermediainformationThisAmendmentaddstheReferenceSoftwareofSymbolicMusicRepresentationasdefinedinISO/IEC14496-23andISO/IEC14496-11:2005/Amd.5TherearetwopartstotheSMRreferencesoftwarereferencesoftware--MPEG-4SystemsdependentandMPEG-4SystemsindependentpartsTheMPEG-4SystemsdependentpartisimplementedandmadeavailableasarevisiontotheIM1referencesoftwareforMPEG-4SystemsTheMPEG-4Systemsindependentpartisavailableasanindependentimplementation.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:13P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforConditionMonitoringofSulfateBy-ProductsinIn-ServicePetroleumandHydrocarbonBasedLubricantsbyTrendAnalysisUsingFourierTransformInfrared(FT-IR)Spectrometry
【原文标准名称】:使用傅里叶变换红外(FT-R)光谱法通过趋势分析监控使用中的石油和碳氢化合物基润滑剂中的硫酸盐副产品的状态的标准试验方法
【标准号】:ASTMD7415-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.96
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:条件控制
【英文主题词】:conditionmonitoring;differentialtrendanalysis;directtrendanalysis;Fouriertransforminfrared;FT-IR;hydrocarbonbasedlubricants;in-servicepetroleumlubricants;infrared;IR;lubricants;oils;sulfateby-products
【摘要】:Anincreaseinsulfatematerialcanbeanindicatorofoildegradationcausedbyoxidationofsulfurintheoilandsulfurinfuel.Itcanalsoindicatethebreakdownoroxidationofsomekeyadditivesintheoilsuchasantiwearandextremepressureadditivesaswellasblow-byconcerns.Asoxidizedsulfurfromblow-byentersthelubricant,itwillconsumetheoverbaseadditivetogeneratesulfateby-products.Monitoringofsulfateby-productsisthereforeanimportantparameterindeterminingoverallmachineryhealthandindeterminingadditivedepletionandshouldbeconsideredinconjunctionwithdatafromothertestssuchasatomicemission(AE)andatomicabsorption(AA)spectroscopyforwearmetalanalysis(TestMethodD5185),physicalpropertytests(TestMethodsD445,D2896,andD6304),basenumbertests(TestMethodsD974andD4739)andotherFT-IRoilanalysismethodsfornitration(PracticeE2412),oxidation(TestMethodD7414),additivedepletion(TestMethodD7412),breakdownproductsandexternalcontaminants(PracticeE2412),whichalsoassesselementsoftheoilx2019;scondition,seeRefs(1-6)1.1Thistestmethodcoversmonitoringsulfateby-productsinin-servicepetroleumandhydrocarbonbaseddieselcrankcaseengineandmotoroilsthathaveasulfurcontentofgreaterthan500ppm.Thistestmethodshouldnotbeemployedwhenlow-sulfurfuelsareusedforcombustion.1.2ThistestmethodusesFourierTransformInfrared(FT-IR)spectrometryformonitoringbuild-upofsulfateby-productsinin-servicepetroleumandhydrocarbonbasedlubricantsasaresultofnormalmachineryoperation.Sulfateby-productscanresultfromtheintroductionofsulfurfromcombustionorfromtheoxidationofsulfur-containingbaseoiladditives.Thistestmethodisdesignedasafast,simplespectroscopiccheckformonitoringofsulfateby-productsinin-servicepetroleumandhydrocarbonbasedlubricantswiththeobjectiveofhelpingdiagnosetheoperationalconditionofthemachinebasedonmeasuringthelevelofsulfateby-productsintheoil.1.3AcquisitionofFT-IRspectraldataformeasuringsulfateby-productsinin-serviceoilandlubricantsamplesisdescribedinPracticeD7418.Inthistestmethod,measurementanddatainterpretationparametersforsulfateby-productsusingbothdirecttrendanalysisanddifferential(spectralsubtraction)trendanalysisarepresented.1.4Thistestmethodisbasedontrendingofspectralchangesassociatedwithsulfateby-productsofin-servicepetroleumandhydrocarbonbasedlubricants.Warningsoralarmlimitscanbesetonthebasisofafixedminimumvalueforasinglemeasurementor,alternatively,canbebasedonarateofchangeoftheresponsemeasured,seeRef(1).1.4.1Fordirecttrendanalysis,valuesarerecordeddirectlyfromabsorptionspectraandreportedinunitsofabsorbanceper0.1mmpathlength.1.4.2Fordifferentialtrendanalysis,valuesarerecordedfromthedifferentialspectra(spectrumobtainedbysubtractionoftheabsorptionspectrumofthereferenceoilfromthatofthein-serviceoil)andreportedinunitsof100*absorbanceper0.1mmpathlength(orequivalentlyabsorbanceunitspercentimetre).1.4.3Ineithercase,maintenanceactionlimitsshouldbedeterminedthroughstatisticalanalysis,historyofthesameorsimilarequipment,roundrobintestsorothermethodsinconjunctionwiththecorrelationofsulfateby-productchangestoequipmentperformance.Note18212;Itisnottheintentofthistestmethodtoestablishorrecommend......
【中国标准分类号】:
【国际标准分类号】:75_100
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Periodicinspection,testingandmaintenanceoftransportablegascontainers(excludingdissolvedacetylenecontainers).Specificationforweldedsteelcontainersofwatercapacity0.5Lupto150L
【原文标准名称】:可运输气体容器的定期检查,试验及维修(不包括液化乙炔容器).第2部分:水容量0.5L至150L的焊接钢容器规范
【标准号】:BS5430-2-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-12-31
【实施或试行日期】:1990-12-31
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A82
【国际标准分类号】:23_020_30
【页数】:24P;A4
【正文语种】:英语