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hydro recording

Subject: hydro recording
From: Wild Sanctuary <>
Date: Fri, 8 Nov 2002 07:01:31 -0800
>
>
>Another question: Most of my in-the-air recordings are stereo. Is
>hydrophone stereo feasible, using mic's at either end of a 60' boat?


Been recording marine environments since the late 60s, David...all 
kinds of set-ups. For "stereo" underwater recordings we found 
(because of the density of the medium) that we got a credible 
illusion of stereo space by separating matching and calibrated 
hydrophones a minimum of 10m apart. We created a floating system of 
sonobuoys separated by a long boom and dropped the hydrophones down 
from those. Sometimes we were hard-wired. Sometimes we operated with 
wireless systems (which ultimately seemed to generate less cable 
noise). See if that works.

Bernie

Wild Sanctuary, Inc.
P. O. Box 536
Glen Ellen, CA 95442
707-996-6677 tel
707-996-0280 fax
http://www.wildsanctuary.com

-- 


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