Historical
ANSI S12.55-2006/ISO 3745:2003
AMERICAN NATIONAL STANDARD - Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for anechoic and hemi-anechoic rooms (A Nationally Adopted International Standard)
This American National Standard specifies a laboratory method for determining the sound power radiated by sources using an anechoic test room or a hemi-anechoic test room having specified acoustical characteristics. The method specified in this American National Standard is only applicable to indoor measurements in specialized test rooms. This American National Standard also specifies a laboratory method for the determination of sound energy levels of sound sources.
CONTENT PROVIDER
Acoustical Society of America [asa]
Acoustical Society of America [asa]