ASA / ANSI standard on measuring ship noise

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Subject:	ASA / ANSI standard on measuring ship noise
From:	Dave Mellinger <>
Date:	Tue, 22 Dec 2009 15:59:28 -0800

Here is a portion of a news release from the Acoustical Society of America.  To 
see all of it, please contact Susan Blaeser at the number below.   -Dave 
Mellinger
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News Release
Acoustical Society of America
December 22, 2009

New American National Standard published: "Quantities and Procedures for Description 
and Measurement of Underwater Sound from Ships- Part 1: General Requirements"

First Non-Military Standard for Vessel Underwater Noise Measurement

The Acoustical Society of America (ASA) announced the publication of a new, voluntary 
consensus standard for the measurement of underwater noise from ships. [...] It is the 
first ASC S12 noise standard concerned with underwater sound and it is the first known 
civilian standard in the world for measuring the underwater sound from ships. The 
standard details requirements for instrumentation, measurement procedure, and data 
post-processing necessary to quantify a ship’s underwater radiated noise level 
referenced to a normalized distance of 1 meter.

The standard describes three measurement grades denoted A, B and C. [...]

For additional information, contact Susan Blaeser:
+1-631-390-0215

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