BS EN ISO 4869-4-2000 声学.听力保护器.电平相关声音恢复耳罩的有效声压级测量

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【英文标准名称】:Acoustics.Hearingprotectors.Measurementofeffectivesoundpressurelevelsforlevel-dependentsound-restorationearmuffs
【原文标准名称】:声学.听力保护器.电平相关声音恢复耳罩的有效声压级测量
【标准号】:BSENISO4869-4-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-08-15
【实施或试行日期】:2000-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学试验;声学;定义;护耳器;耳罩式保护装置;电声学;测量;测量技术;安全装置;隔音;声强;声级;声级计;试验;试验条件
【英文主题词】:Acoustictesting;Acoustics;Definitions;Earprotectors;Ear-mufftypewearingprotectors;Electroacoustics;Measurement;Measuringtechniques;Safetydevices;Soundinsulation;Soundintensity;Soundlevels;Sound-levelmeters;Testing;Testingconditions
【摘要】:ThisTechnicalReportspecifiesaphysicaltestmethodforlevel-dependentsound-restorationear-muffs.Thephysicalmeasurementsaremadewiththeacoustictestfixture(ATF)accordingtoISO/TR4869-3orwithasuitableheadandtorsosimulator(HATS)withasuitableacousticisolation(seeclause7).TheresultsofthesetestsincombinationwiththeresultsfromtheISO4869-1testscanbeusedtoestimatetheeffectiveA-weightedsoundpressurelevelwhensoundrestorationear-muffsareworn.Themethoddescribedisnotsuitableformeasurementoftheeffectivesoundpressurelevelunderear-muffsinthecaseofimpulsivenoisenorforactivenoisereductionear-muffs.
【中国标准分类号】:L31
【国际标准分类号】:13_340_20
【页数】:16P.;A4
【正文语种】:英语