GB/T 20441.6-2017
电声学 测量传声器 第6部分:用于测定频率响应的静电激励器
Electroacoustics—Measurement microphones—Part 6: Electrostatic actuators for determination of frequency response
- 实施日期
- 2018-05-01
- ICS 分类
- 17.140.50
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 20441.6-2017
Electroacoustics—Measurement microphones—Part 6: Electrostatic actuators for determination of frequency response
GB/T 14366-2017
Acoustics—Estimation of noise-induced hearing loss
GB/T 12060.16-2017
Sound system equipment—Part 16: Objective rating of speech intelligibility by speech transmission index
GB/T 25498.5-2017
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
GB/T 25102.7-2017
Electroacoustics—Hearing aids—Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
GB/T 20441.5-2017
Electroacoustics—Measurement microphones—Part 5: Methods for pressure calibration of working standard microphones by comparison
GB/T 32706-2016
Safety requirements for laboratory instruments and equipment—Noise measuring instruments
GB/T 32671.1-2016
Colloidal systems—Methods for zeta potential determination—Part 1: Electroacoustic and electrokinetic phenomena
GB/T 32522-2016
Acoustics—Electroacoustic characteristics and measurements of spherically focusing ultrasonic transducers
GB/T 6882-2016
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for anechoic rooms and hemi-anechoic rooms
GB/T 3767-2016
Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for an essentially free field over a reflecting plane
GB/T 32524.2-2016
Acoustics—Determination of sound power level and directivity character of power capacitor using sound pressure—Part 2: Engineering methods for an essentially free field over a reflecting plane
GB/T 32524.1-2016
Acoustics—Determination of sound power level and directivity character of power capacitor unit using sound pressure—Part 1: Precision method for hemi-anechoic rooms
GB/T 32523-2016
Acoustics—Measurement of sound pressure reflection coefficient, sound pressure transmission coefficient and absorption coefficient for underwater acoustical material sample—Travelling wave tube method
GB/T 4854.9-2016
Acoustics—Reference zero for the calibration of audiometric equipment—Part 9: Preferred test conditions for the determination of reference hearing threshold levels
GB/T 16296.2-2016
Acoustics—Audiometric test methods—Part 2: Sound-field audiometry with pure-tone and narrow-band test signals
GB/T 4854.6-2014
Acoustics―Reference zero for the calibration of audiometric equipment―Part 6: Reference hearing threshold levels for test signals of short duration
GB/T 31004.3-2014
Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 3: Laboratory measurements at low frequencies
GB/T 31004.2-2014
Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 2: Field measurements
GB/T 31004.1-2014
Acoustics―Measurement of sound insulation in buildings and of building elements using sound intensity―Part 1: Laboratory measurements