ASA S12.9 PART 7-2016
描述和測量環境聲音的美國國家標準數量和程序，第7部分：在有風的室外和有人居住空間的室內低頻噪聲和次聲的測量
American National Standard Quantities and Procedures for Description and Measurement of Environmental Sound, Part 7: Measurement of Low-frequency Noise and Infrasound Outdoors in the Presence of Wind and Indoors in Occupied Spaces