GB/T 17312-1998 Random-incidence and diffuse-field calibration of sound level meters

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 6881-2023 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for reverberation test rooms GB/T 6881.1-2002 Acoustics—Determination of sound power levels of noise sources using sound pressure—Precision methods for reverberation rooms GB/T 6881.2-2002 Acoustics—Determination of sound power levels of noise sources—Engineering methods for small,movable sources in reverberant field—Part 1:Comparison method for hard-walled test rooms GB/T 6881.2-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room GB/T 6881.3-2002 Acoustics—Determination of sound power levels of noise sources-using sound pressure—Engineering metheds for small,movable sources in reverberant fields—Part 2:Methods for special reverberation test rooms GB/T 6882-1986 Acoustics—Determination of sound power levels of noise sources—Precision methods for anechoic and semi-anechoic rooms GB/T 6882-2008 Acoustics—Determination of sound power levels of noise sources using pressure—Precision methods for anechoic and hemi-anechoic rooms 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 11670-1989 Acoustics—Characteristics and specifications for laboratory standard condenser microphones GB/T 17181-1997 Integrating-averaging sound level meters SJ/T 10444-1993 Electroacoustic terminology 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

IEC 1183:1994