GB/T 39796-2021 Test method for airbone sound insulating properties of glass used on multipe units

GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 19889.3-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 3:Laboratory measurements of airborne sound insulation of building elements GB/T 31004.1-2014 Acoustics—Measurement of sound insulation in buildings and of building elements using sound intensity—Part 1:Laboratory measurements 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 3947-1996 Acoustical terminology GB/T 15173-1994 Sound calibrators GB/T 15173-2010 Electroacoustics—Sound calibrators GB/T 19889.1-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 1:Requirements for laboratory test facilities with suppressed flanking transmission GB/T 20247-2006 Acoustics—Measurement of sound absorption in a reverberation room 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 GB/T 19889.1-2026 Acoustics—Field measurement of sound insulation in buildings and of building elements—Part 1:Airborne sound insulation between rooms GB/T 15173-2026 Electroacoustics—Sound calibrators