American National Standard for Acoustics – Attenuation of sound during propagation outdoors – Part 2: General method of calculation

Published by	Publication Date	Number of Pages
ASA	09/05/2012	38

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ASA S12.62 – American National Standard for Acoustics – Attenuation of sound during propagation outdoors – Part 2: General method of calculation

This American National Standard specifies an engineering method for calculating the attenuation of soundduring propagation outdoors in order to predict the levels of environmental noise at a distance from avariety of sources. The method predicts the equivalent continuous A-weighted sound pressure level (asdescribed in parts 1 to 3 of ISO 1996) under meteorological conditions favorable to propagation fromsources of known sound emission.