GB/T 17249.1-1998

GB/Z 21233-2007 Acoustics - Assessment of noise annoyance by means of social and socio-acoustics surveys GB/T 3239-1982 Expression of physical and subjective magnitudes of sound and noise in air GB/T 4854.1-1999 Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones GB/T 14366-1993 Acoustics--Determination ofoccupational noise exposure and estimation of noise-induced hearing impairment GB/T 17250-1998 Acoustics--Measurement of noise emitted by passenger cars under conditions representative of urban driving GB/T 17696-1999 Acoustics--Audiometric test methods--Part 3:Speech audiometry GB/T 17249.2-2005 Acoustics-Guidelines for the design of low-noise workplaces-Part 2:Noise control measures GB/T 14227-2006 Acoustical requirement and measurement on station platform of urban rail transit