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Historical
ANSI S12.9-Part 3-1993 (R2003)
Quantities and Procedures for Description and Measurement of Environmental Sound - Part 3: Short-Term Measurements with an Observer Present
Concerns description and measurement of outdoor environmental sound. Describes recommended procedures for measurement of short-term, time-average environmental sound outdoors at one or more locations in a community for environmental assessment or planning for compatible land uses, and for other purposes such as demonstrating compliance with a regulation. These measurements are distinguished by the requirement to have an observer present. Sound may be produced by one or more separate, distributed sources of sound such as highway, factory, or airport. Methods are given to correct the measured levels for the influence of background sound.
CONTENT PROVIDER
Acoustical Society of America [asa]
Acoustical Society of America [asa]