Electroacoustics - Simulators of human head and ear - Part 5: 2 cm<(hoch)3> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts (IEC 60318-5:2006); German version EN 60318-5:2006
电声学.人头和耳朵模拟器.第5部分:通过耳塞连接到耳朵的助听器和耳机的测量用2厘米(hoch)3>耦合器(IEC 60318-5-2006);德文版EN 60318-5:2006