China Acoustics--Measureme GB Standards Search Result

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	GB/T 42559-2023 Acoustics - Interferometric Fiber Optic Hydrophone Phase Shift Sensitivity Measurement - 英文版
	GB/T 21228.2-2023 Acoustics - Surface sound scattering properties - Part 2: Free-field directional diffusion coefficient measurement - 英文版
	GB/T 19889.7-2022 Acoustics - Measurement of sound insulation of buildings and building components - Part 7: In situ measurement of impact sound insulation - 英文版
	GB/T 7966-2022 Acoustics—Ultrasonic power measurement—Radiation force balances and the requirements - 英文版
	GB/T 3222.2-2022 Acoustics—Description, measurement and assessment of environmental noise—Part 2: Determination of sound pressure levels - 英文版
	GB/T 3222.1-2022 Acoustics—Description, measurement and assessment of environmental noise—Part 1: Basic quantities and assessment procedures - 英文版
	GB/T 19889.2-2022 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2 : Determination and application of measurement uncertainties - 英文版
	GB/T 41311.1-2022 Acoustics - Describe the quantity of underwater noise from ships and methods of measurement - Part 1: Requirements for precision measurements in deep water for comparison purposes - 英文版
	GB/T 7341.5-2018 Electroacoustics—Audiometric equipment—Part 5: Instruments for the measurement of aural acoustic impedance/admittance - 英文版
	GB/T 20441.2-2018 Electroacoustics—Measurement microphones—Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique - 英文版
	GB/T 36075.3-2018 Acoustics—Measurement of room acoustic parameters—Part 3: Open plan offices - 英文版
	GB/T 21231.1-2018 Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 1: Airborne noise measurement - 英文版
	GB/T 36075.1-2018 Acoustics—Measurement of room acoustic parameters—Part 1: Performance spaces - 英文版
	GB/T 36075.2-2018 Acoustics—Measurement of room acoustic parameters—Part 2: Reverberation time in ordinary rooms - 英文版
	GB/T 36079-2018 Acoustics—Procedures for determination of transmission loss, flow noise and total pressure loss coefficient for arrayed element dissipative silencers—Equivalent measurement - 英文版
	GB/T 21231.2-2018 Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 2: Structure-borne vibration measurements - 英文版
	GB/T 22159.5-2017 Acoustics and vibration—Laboratory measurement of vibro-acoustic transfer properties of resilient elements—Part 5: Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion - 英文版
	GB/T 22159.4-2017 Acoustics and vibration―Laboratory measurement of vibro-acoustic transfer properties of resilient elements―Part 4: Dynamic stiffness of elements other than resilient supports for translatory motion - 英文版
	GB/T 20441.6-2017 Electroacoustics—Measurement microphones—Part 6: Electrostatic actuators for determination of frequency response - 英文版
	GB/T 25102.8-2017 Electroacoustics—Hearing aids—Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions - 英文版
	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 - 英文版
	GB/T 20441.5-2017 Electroacoustics—Measurement microphones—Part 5: Methods for pressure calibration of working standard microphones by comparison - 英文版
	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 - 英文版
	GB/T 3768-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane - 英文版
	GB/T 19889.18-2017 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 18: Laboratory measurement of sound generated by rainfall on building elements - 英文版
	GB/T 14365-2017 Acoustics—Measurements of sound pressure level emitted by stationary road vehicles - 英文版
	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 - 英文版
	GB/T 32522-2016 Acoustics—Electroacoustic characteristics and measurements of spherically focusing ultrasonic transducers - 英文版
	GB/T 31014-2014 Acoustics―Laboratory methods of underwater target strength measurement - 英文版
	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 - 英文版

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