【英文标准名称】:Electroacoustics-Simulatorsofhumanheadandear-Occluded-earsimulatorforthemeasurementofearphonescoupledtotheearbymeansofearinserts
【原文标准名称】:电声学.人头和耳模拟器.利用耳内插入物的咬合型耳模拟器测量耳机对耳朵耦合性
【标准号】:BSEN60318-4-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-07-31
【实施或试行日期】:2010-07-31
【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】:声耦合器;声学工程;声学测量;声学性质和声学现象;声学;仿真耳;听力计;听力测定;宽带;校准;耦合器;定义;设计;尺寸规格;耳模拟器;耳机;电气工程;电声学;频率;头;头戴送受话器;助听器;听觉;插入式耳机;检验;极限偏差;失支听觉;测量;测量扩音器;测量不确定度;测量仪器;测量技术;传声器;听力有缺陷的人;性能;纯普听力图;参考级;模拟;模拟器;声级;声压;声压级;规范(验收);测试;振动工程
【英文主题词】:Acousticcouplers;Acousticengineering;Acousticmeasurement;Acousticpropertiesandphenomena;Acoustics;Artificialears;Audiometers;Audiometry;Broadband;Calibration;Couplers;Definitions;Design;Dimensions;Earsimulators;Earphones;Electricalengineering;Electroacoustics;Frequencies;Head(anatomy);Headphones;Hearingaids;Hearing(auditoryperception);Insertearphones;Inspection;Limitdeviations;Lossofhearing;Measurement;Measurementmicrophones;Measuringincertainity;Measuringinstruments;Measuringtechniques;Microphones;Personswithdefectivehearing;Properties;Pure-toneaudiometers;Referencelevels;Simulation;Simulators;Soundlevels;Soundpressure;Soundpressurelevel;Specification(approval);Testing;Vibrationengineering
【摘要】:ThispartofIEC60318describesanoccluded-earsimulatorintendedforthemeasurementofinsertearphonesinthefrequencyrangefrom100Hzto10000Hz.Itissuitableforairconductionhearingaidsandearphones,coupledtotheearbymeansofearinsertse.g.earmouldsorsimilardevices.Theoccluded-earsimulatorisalsosuitableasthebasisforanextensionintendedtosimulatethecompleteearcanalandtheouterear(forinstanceinheadsimulators).Theoccluded-earsimulatorsimulatestheacoustictransferimpedancefortheoccludednormaladulthumanear.However,itdoesnotsimulatetheleakagebetweenanearmouldandahumanearcanal;therefore,theresultsobtainedwiththeoccluded-earsimulatormaydeviatefromtheperformanceofaninsertearphoneonarealear,especiallyatlowfrequencies.Moreover,largeperformancevariationsamongindividualearswilloccurwhichshouldbeconsideredwhenusingtheearsimulator.Above10kHzthedevicedoesnotsimulateahumanear,butcanbeusedasanacousticcoupleratadditionalfrequenciesupto16kHz.Below100Hz,thedevicehasnotbeenverifiedtosimulateahumanear,butcanbeusedasanacousticcoupleratadditionalfrequenciesdownto20Hz.
【中国标准分类号】:L31
【国际标准分类号】:17_140_50
【页数】:24P;A4
【正文语种】:英语