标准号:DIN EN ISO 389-9-2009
中文标准名称:声学.听力测定设备校正基准点.第9部分:参考听觉阈等级测定用**测试条件(ISO 389-9:2009);德文版EN ISO 389-9:2009
英文标准名称:Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009); German version EN ISO 389-9:2009
标准类型:N65
发布日期:1999/12/31 12:00:00
实施日期:2009/12/1 12:00:00
中国标准分类号:N65
国际标准分类号:13.140
引用标准:ISO 389-1-1998;ISO 389-2;ISO 389-3;ISO 389-6;ISO 389-7;ISO 389-8;ISO 8253-1;ISO 8253-2;ISO/IEC GUIDE 98-3;IEC 60318-1;IEC 60318-3;IEC 60318-4;IEC 60318-5;IEC 60318-6;IEC 60645-1-2001;IEC 60645-3-2007;IEC 60645-4
适用范围:This part of ISO 389 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels.