Category: ASA

ASA

ASA S12.9-1992/Part 2 (R2018)

American National Standard Quantities and Procedures for Description and Measurement of Outdoor Environmental Sound – Part 2: Measurement of Long-Term, Wide-Area Sound
standard by American National Standards of the Acoustical Society of America, 01/01/1992

ASA S12.34-1988 (R1997)

American National Standard Engineering Methods for the Determination of Sound Power Levels of Noise Sources for Essentially Free-Field Conditions Over a Reflecting Plane
standard by American National Standards of the Acoustical Society of America, 01/01/1988