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
作者:标准资料网
时间:2024-04-25 17:21:56
浏览:8463
来源:标准资料网
下载地址: 点击此处下载
【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
【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
下载地址:
点击此处下载