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 6881.3-2002 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 6881-1996

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 3241-1998 Octave-band and fractional-octave-band filters GB/T 3785-1983 Electric, sonic properties and measuring methods for sound level meters GB/T 4129-1995 GB/T 14573.1-1993 Acoustics—Statistical methods for determining and verifying stated noise emission values of machinery and equipment—Part 1:General considerations and definitions GB/T 14573.4-1993 Acoustics—Statistical methods for determining and verifying stated noise emission values of machinery and equipment—Part 4:Methods for stated values for batches of machines GB/T 14574-2000 Acoustics—Declaration and verification of noise emission values of machinery and equipment GB/T 15173-1994 Sound calibrators GB/T 17181-1997 Integrating-averaging sound level meters GB/T 18698-2002 Acoustics—Declared noise emission values of information technology and telecommunications equipment GBJ 47-1983 ISO 9295:1988 ISO 12001:1996 IEC 61183

ISO 3741:1999