IEC 60645-4-1994 听力计第4部分:高频声学设备

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【英文标准名称】:Audiometers-Part4:Equipmentforextendedhigh-frequencyaudiometry
【原文标准名称】:听力计第4部分:高频声学设备
【标准号】:IEC60645-4-1994
【标准状态】:作废
【国别】:国际
【发布日期】:1994-09
【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/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:声学试验;试验;电气工程;听力计;听力测定;电声学;听力试验
【英文主题词】:Acoustic;Acousticsignals;Acoustictesting;Acoustics;Adjustments;Audiograms;Audiometers;Audiometry;Auditorythreshold;Boneconduction;Bonevibrator;Calibration;Chaincases;Definitions;Electricalengineering;Electroacoustics;Frequencies;Headphones;Hearingabilitytests;Highfrequencies;Instruments;Letterings;Loudspeakers;Measuringinstruments;Noise;Operationalinstructions;Precision;Properties;Radiofrequencyapparatus;Short-termmeasurement;Signallevel;Sound;Soundintensity;Soundradiation;Soundtransducer;Specification(approval);Switches;Testsignals;Testing
【摘要】:Specifiesrequirementsforaudiometricequipmentdesignedforuseinpuretoneaudiometryinthefrequencyrangefrom8000Hzto16000Hz,inadditiontothosethatareapplicableandspecifiedinIEC645-1.Ensuresthatextendedhigh-frequencyaudiome
【中国标准分类号】:N65
【国际标准分类号】:13_140
【页数】:19P.;A4
【正文语种】:英语