IEC 61606-4-2005 音频和视听设备.数字音频部分.音频特性的基本测量方法.第4部分:个人电脑
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【英文标准名称】:Audioandaudiovisualequipment-Digitalaudioparts-Basicmeasurementsmethodsofaudiocharacteristics-Part4:Personalcomputer
【原文标准名称】:音频和视听设备.数字音频部分.音频特性的基本测量方法.第4部分:个人电脑
【标准号】:IEC61606-4-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:放大器;音频设备;音频信号;视听设备;视听资料;计算机;DAT数字式音响磁带装置;数据传送;定义;数字的;数字声频的;数字工程;数字信号;电气工程;便携式电脑;测量;测量条件;测量技术;测量方法;笔记本;个人计算机;脉冲编码调制;便携的;特性;复制;信号传输;信号;放声;静止的;测试信号;试验;视频设备
【英文主题词】:Amplifiers;Audioappliances;Audiosignals;Audiovisualequipment;Audiovisualmaterials;Computers;DAT;Datatransfer;Definitions;Digital;Digitalaudio;Digitalengineering;Digitalsignals;Electricalengineering;Laptops;Measurement;Measurementconditions;Measuringtechniques;Methodsformeasuring;Notebooks;PC;PCM;Personalcomputers;Portable;Properties;Reproductions;Signaltransmission;Signals;Soundreproduction;Stationary;Testsignals;Testing;Videoequipment
【摘要】:ThispartofIEC61606specifiesthebasicmeasurementmethodsofalinearPCMsignalforanaudiopartofpersonalcomputers(PCs)andappliestobothdesktopandportablecomputers.ThecommonmeasuringconditionsandmethodsaredescribedinIEC61606-1.SpecificconditionsandmethodsofmeasurementforPCsaregiveninthisstandard.NOTE1Themethodsdescribedaremostlybasedonsamplingfrequenciesfrom8kHzto192kHzandbitlengthfrom8bitto24bit.NOTE2Thisstandarddescribestestsforequipmentwhichhasdigitalinputwithanalogueoutputandanalogueinputwithdigitaloutput.DigitalinputdataareprovidedfromaninternalHDDorothermemorymediaandoutputdigitaldataarerecordedtoaninternalHDDormainmemories.NOTE3Themethodsspecifiedinthisstandardarenotapplicabletosystemsincorporatingbit-ratereduceddigitalaudiosignalsthathavedatalossorto1-bitsignals.ThispartdoesnotapplytoanalogueinputwithanalogueoutputanddigitalinputwithdigitaloutputasdescribedinIEC61606-1.NOTE4WhenaCPUinaPCisoverloadedbytasksotherthanthoseforaudioinput/output,thePCmayfailtorecord/reproducethewholeaudiodata.Thisstandardappliesonlytothemeasurementinwhichinput/outputdataarerecorded/reproducedwithoutsuchmissingdata.TheperformanceofaPCwithmissingaudiodatamaybeevaluatedbytheshort-termdistortionmeasurementalthoughsuchevaluationisnotwithinthescopeofthisstandard.
【中国标准分类号】:M73
【国际标准分类号】:33_160_30;35_160
【页数】:38P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforGeneralRequirementsforSteelSheet,Metallic-CoatedbytheHot-DipProcess
【原文标准名称】:热浸处理金属涂覆薄钢板的一般要求用标准规范
【标准号】:ASTMA924/A924M-2009a
【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】:A05.11
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:镀铝铁制品/钢;铝-锌合金涂覆钢,55%;涂覆;涂层;铝;铝-锌;热浸;金属的;镀铅锡薄钢板;锌(热浸);锌-5%铝;锌-铝-镁;腐蚀;金属涂覆的;薄板材;钢;钢制品;热浸涂层;薄钢板;镀铝;镀铅锡薄钢板涂覆的;锌-铝-镁合金涂覆的;镀锌;锌-铝-镁合金涂覆钢;镀锌铁制品/钢;镀铝薄钢板规范;铝-锌合金涂覆钢规范;腐蚀设备厚板材/薄板材/带材;热浸处理涂层规范;金属薄钢板规范;涂铝锑锡合金的薄钢板
【英文主题词】:aluminum-coatediron/steel;aluminum-zincalloy-coatedsteel,55%;coating;coatings&x2014;aluminum;coatings&x2014;55%aluminum-zinc;coatings&x2014;hot-dip;coatings&x2014;metallic;coatings&x2014;ternemetal;coatings&x2014;zinc(hot-dip);coatings&x2014;zinc-5%aluminum;coatings&x2014;zinc-aluminum-magnesium;corrosion;hot-dip;metallic-coated;sheet;steel;steelproducts&x2014;hot-dipcoatings;steelsheet&x2014;aluminum-coated;steelsheet&x2014;ternecoated;steelsheet&x2014;zinc-aluminum-magnesiumalloy-coated;steelsheet&x2014;zinc-coated(galvanized);zinc-aluminum-magnesiumalloy-coatedsteel;zinc-coatediron/steel;Aluminum-coatedsteelsheet--specifications;Aluminum-zincalloy-coatedsteel--specifications;Corrosiveserviceapplications--plate/sheet/strip;Hot-dipprocessedcoatings--specifications;Metallicsteelsheet--secifications;Terne-coatedsteelshee
【摘要】:1.1Thisspecificationcoversthegeneralrequirementsthat,unlessotherwisespecifiedintheproductspecification,applytosteelsheetincoilsandcutlengths,metallic-coatedoncontinuouslinesbythehot-dipprocess.Theproductisintendedforapplicationsrequiringcorrosionresistance.Theproductspecificationscontainrequirementsforspecificstrengthlevels,heatresistance,paintability,orformability,oracombinationthereof.1.2Subjecttoindividualproductspecificationprovisions,steelsheetisavailableasCommercialSteel(CS)TypesA,B,andC,FormingSteel(FS),DrawingSteel(DS),DeepDrawingSteel(DDS),ExtraDeepDrawingSteel(EDDS),HighTemperatureSteel(HTS),StructuralSteel(SS),andHighStrengthLowAlloySteel(HSLAS).Steelsheetisproducedwiththefollowingmetalliccoatings.Specificinformationoneachofthefollowingiscontainedintheindividualproductspecification:1.2.1Zincorzinc-ironalloycoated,1.2.2Zinc-5%aluminumalloycoated,1.2.355%aluminumx2013;zincalloycoated,1.2.4Aluminumx2013;coated,1.2.5Terne(lead-tinalloy)coated,and【英文标准名称】:Polarizing/CodingKeyOverstressTestProcedureforElectricalConnectorsandSockets
【原文标准名称】:电连接器和插座的偏振/代码钥匙超应力试验程序
【标准号】:ANSI/EIA-364-86-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:编码;连接设备;电连接器;插座;电气的;电气元件;电气工程;电子产品;钥匙;座孔;测试;试验
【英文主题词】:Coding;Connectingdevices;Electricconnectors;Electricsockets;Electrical;Electricalcomponents;Electricalengineering;Electronicproducts;Keys;Sockets;Testing;Tests
【摘要】:Determinestheeffectivenessofpolarization/codingkeyswhenaconnectorpairismisregistered,(improperlymated).
【中国标准分类号】:L23
【国际标准分类号】:29_120_20
【页数】:
【正文语种】:英语