GB/T 18313-2001 Acoustics—Measurement of airborne noise emitted by information technology and telecommunications equipment

GB/T 3241-1998 Octave-band and fractional-octave-band filters GB/T 3767-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Engineering method in an essentially free field over a reflecting plane GB/T 3785-1983 Electric, sonic properties and measuring methods for sound level meters GB/T 3947-1996 Acoustical terminology GB/T 4129-1995 GB/T 6882-1986 Acoustics—Determination of sound power levels of noise sources—Precision methods for anechoic and semi-anechoic rooms GB/T 15173-1994 Sound calibrators GB/T 17181-1997 Integrating-averaging sound level meters GB/T 17248.2-1999 Acoustics—Noise emitted by machinery and equipment—Measurement of emission sound pressure levels at a work station and at other specified positions—Engineering method in an essentially free field over a reflecting plane GB/T 17248.4-1998 Acoustics—Noise emitted by machinery and equipment Determination of emission sound pressure level at a workstation and at other specified position from the sound power level ISO 3741:1999 ISO 9295:1988 ISO 9296:1988 ISO 10302:1996 ECMA TR/27:1995

ISO 7779:1999(E)