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Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane
90.92 Standard to be revised
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
90.93 Standard confirmed
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 — Amendment 1
60.60 Standard published
Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Survey method using an enveloping measurement surface over a reflecting plane
90.93 Standard confirmed
Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering/survey methods for use in situ in a reverberant environment
90.93 Standard confirmed
Acoustics — Methods for calculating loudness — Part 1: Zwicker method
90.93 Standard confirmed
Acoustics — Methods for calculating loudness — Part 2: Moore-Glasberg method
90.93 Standard confirmed
Acoustics — Methods for calculating loudness — Part 3: Moore-Glasberg-Schlittenlacher method
60.60 Standard published
Acoustics — Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
90.93 Standard confirmed
Acoustics — Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels — Amendment 1
60.60 Standard published
Acoustics — Frequency-weighting characteristic for infrasound measurements
90.93 Standard confirmed
Acoustics — Attenuation of sound during propagation outdoors — Part 1: Calculation of the absorption of sound by the atmosphere
90.93 Standard confirmed
Acoustics — Attenuation of sound during propagation outdoors — Part 2: Engineering method for the prediction of sound pressure levels outdoors
60.60 Standard published
Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
90.93 Standard confirmed
Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning
90.93 Standard confirmed
Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 3: Precision method for measurement by scanning
90.93 Standard confirmed
Underwater acoustics — measurement of underwater ambient sound
40.99 Full report circulated: DIS approved for registration as FDIS
Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane
50.00 Final text received or FDIS registered for formal approval