GB/T 13948-1992 Measuring methods for transmitters

GB/T 3102.7-1993 Quantities and units—Acoustics GB/T 3238-1982 Acoustical levels and refrence quantities GB/T 3240-1982 Preferred frequencies for the acoustical measurement GB/T 3241-1998 Octave-band and fractional-octave-band filters GB/T 3241-2010 Electroacoustics—Octave-band and fractional-octave-band filters GB/T 3785-1983 Electric, sonic properties and measuring methods for sound level meters GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.1-2023 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.2-2010 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests GB/T 3785.2-2023 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests GB/T 3785.3-2018 Electroacoustics—Sound level meters—Part 3:Periodic tests GB/T 3947-1996 Acoustical terminology GB/T 6592-1996 Expression of the performance of electrical and electronic measuring equipment GB/T 6592-2010 Electrical and electronic measurement equipment—Expression of performance GB/T 7342-1987 IEC provisional reference coupler for the calibration of earphones used in audiometry GB/T 3241.2-2025 Electroacoustics—Octave-band and fractional-octave-band filters—Part 2:Pattern evaluation tests GB/T 3241.1-2025 Electroacoustics—Octave-band and fractional-octave-band filters—Part 1:Specifications