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...
英文:Electroacoustics—Measurement microphones—Part 5: Methods for pressure calibration of working standard microphones by ...
英文:Electroacoustics—Hearing aids—Part 7: Measurement of the performance characteristics of hearing aids for production, ...
英文:Electroacoustic—Hearing aids—Part 6: Characteristics of electrical input circuits for hearing aids GB/T 25102.6-2017介...
英文:Electroacoustics—Hearing aids—Part 8: Methods of measurement of performance characteristics of hearing aids under sim...
英文:Electroacoustics—Measurement microphones—Part 6: Electrostatic actuators for determination of frequency response GB/T...
英文:Electroacoustics—Audiometric equipment—Part 5: Instruments for the measurement of aural acoustic impedance/admittance...
英文:Electroacoustics—Sound level meters—Part 3: Periodic tests GB/T 3785.3-2018介绍: 国家标准《电声学 声级计 第3部分:周期试验》由TC23(全国电声学标准化技...
英文:Electroacoustics—Measurement microphones—Part 2: Primary method for pressure calibration of laboratory standard micro...
英文:Electroacoustics—Hearing aids—Part 12: Dimensions of electrical connector systems GB/T 25102.12-2018介绍: 国家标准《电声学 助听器 ...