This standard defines the basic quantities that can
be used separately or in combination for the description of community sound and describes basic procedures for measurement of the quantities. The scope of this standard encompasses all types of environmental sounds, separately or in combination, that contribute to the total sound at a site.
This standard does not specify limits for environmental sounds or recommend measurement locations or durations.
ASA S12.9 PT 1-1988 history
1988ASA S12.9 PT 1-1988 Quantities and Procedures for Description and Measurement of Environmental Sound Part 1; Erratum ASA 76