BS EN 60118-8-2005 电声学.助听器.第8部分:模拟现场工作条件下助听器工作特性的测量方法

作者:标准资料网 时间:2024-05-22 06:45:04  浏览:8051   来源:标准资料网

【英文标准名称】:Electroacoustics-Hearingaids-Part8:Methodsofmeasurementofperformancecharacteristicsofhearingaidsundersimulatedinsituworkingconditions
【原文标准名称】:电声学.助听器.第8部分:模拟现场工作条件下助听器工作特性的测量方法
【标准号】:BSEN60118-8-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2006-02-14
【实施或试行日期】:2006-02-14
【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】:声学性质和声学现象;声学;电声器件;听力测定;定义;术语;电气工程;电声学;助听器;现场;影响因素;影响;测量;测量技术;公称尺寸;特性;模拟;规范(验收);试验标样;试验模型;传输;传输特性
【英文主题词】:Acousticpropertiesandphenomena;Acoustics;Acoustoelectricdevices;Audiometry;Definition;Definitions;Electricalengineering;Electroacoustics;Hearingaids;Insitu;Influencefactors;Influences;Measurement;Measuringtechniques;Nominalsizes;Properties;Simulation;Specification(approval);Testdummies;Testmodels;Transmission;Transmissioncharacteristics
【摘要】:ThepurposeofthispartofIEC60118istodescribemethodsforatestwhichsimulatestheacousticaleffectsofamedianadultwearerontheperformanceofahearingaid.Itestablishescertainguidelinesforsimulatedinsitumeasurementsofhearingaids;itdescribesasimplifiedmethodforsimulatedinsitumeasurementsofhearingaidsandadescriptionfordeterminationofthedirectivityindex(DI)ofdirectionalmicrophonesinhearingaidsinthehorizontalplane.Inadditionthissecondeditionnowspecifiestolerances.ConformancetothespecificationsinthisInternationalStandardisdemonstratedonlywhentheresultofameasurement,extendedbytheactualexpandeduncertaintyofmeasurementofthetestinglaboratory,liesfullywithinthetolerancesspecifiedinthisInternationalStandardextendedbythevaluesforUmax
【中国标准分类号】:L31
【国际标准分类号】:11_180_15
【页数】:36P.;A4
【正文语种】:英语