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 -------------------------------------------------------------------------------
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 [email protected]
