Electroacoustics - Simulators of human head and ear -- Part 5: 2 cm³ coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts (IEC 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测量用2 cm³耦合器(IEC 60318-5-2006)