GB/T 25498.5-2017电声学人头模拟器和耳模拟器第5部分:测量助听器和以插入方式与人耳耦合的耳机用2cm3声耦合器国家标准
英文:Electroacoustics—Simulators of human head and ear—Part 5:2 cm3 coupler for the measurement of hearing aids and earpho...
英文:Electroacoustics—Simulators of human head and ear—Part 5:2 cm3 coupler for the measurement of hearing aids and earpho...