Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts (IEC 60318-4:2010); German version EN 60318-4:2010
电声学.人头和耳朵模拟器.第4部分:通过耳塞连接到耳朵的耳机的测量用封闭耳朵模拟器(IEC 60318-4-2010);德文版EN 60318-4:2010