ASA - ANSI/ASA S12.9 PART 3
American National Standard Quantities and Procedures for Description and Measurement of Environmental Sound – Part 3: Short-term Measurements with an Observer Present
|Publication Date:||12 November 1993|
The scope of this standard includes the measurement, with an
observer present, of quantities such as equivalent-continuou
The purposes of this standard are to (a) specify procedures for measurement of environmental sound from a specific source or sources at a specified location, and (b) to specify procedures to effectively eliminate the contributions of extraneous background sounds from the source-specific measurements. Sound pressure levels are measured with an observer present to record the data described in this part.