
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

專家解讀視頻
基本信息
標準編號: ANSI S12.55-2012
發(fā)布時間:2012/8/23 0:00:00
標準類別:Standard
出版單位:Acoustical Society of America
標準頁數(shù):88
標準簡介
Defines 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.
標準備注
Supersedes ANSI S12.35 (07/2006) Also numbered as ISO 3745. (11/2012)
替代本標準的新標準