GBT20242-2006 声学 助听器真耳声特性的测量方法.pdf

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1、ICS17.140A59霭黔中华人民共和国国家标准GB/T20242一2006/15012124:2001声学助听器真耳声特性的测量方法ACOUStiCS一Proceduresforthemeasurementof代81一esracousticalcharacteristicsofhearingaids(15012124:2001，IDT)2006一05一08发布2006一11一01实施中华人民共和国国家质量监督检验检疫总局发布中国国家标准化管理委员会GB/T20242一2006/15012124:2001目次前言·····························

2、···········，············································，···························⋯⋯皿引言····，··············································，·····························································⋯⋯W1范围··········，······································································

3、····························⋯⋯12规范性引用文件······································，···································，····.............⋯⋯，，13术语和定义···········，·························································································⋯⋯14限制测量结果准确度的因素······························

4、·························.....................⋯⋯，，，45测试环境·········································································································⋯⋯65.1环境条件············································，·，·········，····································，········⋯⋯65.2背景噪声·····

5、·······································，·························································⋯⋯65.3测试室的声学性能······························，···········································..........⋯⋯，⋯65.4声场特性···，················，·····························································

6、···················⋯⋯66受试者的准备········，········，·····································································..........⋯⋯76.1耳镜检查···，···················································，································，·，·········⋯⋯76.2受试者的位置·········································

7、······················，·，·····⋯⋯，.，，·....·..······.⋯⋯76.3对受试者的指令······················，，·············..··············.⋯⋯，.......⋯⋯，..........⋯⋯了二77测量方法和步骤·····································································⋯⋯，，············⋯⋯，..⋯77.1设备···············