ASA S12.9 PART 2-1992
Quantities and Procedures for Description and Measurement of Environmental Sound Part 2: Measurement of Long-Term, Wide-Area Sound

Standard No.

ASA S12.9 PART 2-1992

Release Date

1992

Published By

Acoustical Society of America (ASA)

Latest

ASA S12.9 PART 2-1992

Scope

This standard descibes recommended procedures for measurement of long-term ,time-average enviromental sound outdoors at one or more locations in a community for environmental assessment of planning for compatible land uses and for other purposes such as noise prediction validation and regulation.Sound may be produced by one or more separate,distributed sound sources such as a highway, factory, or airport, or by all contributing sound sources. For spatial or temporal samples of enviromental sound in a community ,requirements are given for the number of sound-measurement locations and duration of the sound-sampling intervals needed to obtain average values for long-term environmental sound levels that are within stated accuracy limits for Class A,Class B,or Class C measurements.

ASA S12.9 PART 2-1992 history

• 1992 ASA S12.9 PART 2-1992 Quantities and Procedures for Description and Measurement of Environmental Sound Part 2: Measurement of Long-Term, Wide-Area Sound