ANSI/ASA S12.55/ISO 3745:2012(R2019)現行
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
出版：Acoustical Society of America
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基本信息
標準編號： ANSI/ASA S12.55/ISO 3745:2012(R2019)
標準類別：Standard
出版單位：Acoustical Society of America
標準頁數：0
標準簡介
This American National Standard specifies methods for measuring the sound pressure levels on a measurement surface enveloping a noise source (machinery or equipment) in an anechoic room or a hemi-anechoic room.
本標準替代的舊標準
