>Apparently, sound travels about 5X faster in water. Thus, for a binaural
>recording, the spacing should be around 33"-34" or thereabouts (perhaps 3
>feet would be okay).
>
>This is how submarines do it.
>
>They put mikes on each side of the tower on top the sub, at a place where
>the width is correct. The tower is covered with rubberized material and acts
>as a sufficient barrier, creating intensity differences as well as arrival
>time differences. A person in the sub listens over headphones and can
>determine directions of subtle sounds being heard (such as subtle sounds
>from another sub).
>
>Lang
Actually, believe it or not, some of the earlier Trident subs had
over 3000 transducers implanted in their hulls. Imagine the imaging
they got with those combos.
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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