At 6:23 PM -0800 12/4/07, Lou Judson wrote:
>Fascinating stuff! Would be interesting to try recording wildlife
>with some of the giant sound mirrors...
>
><L>
>On Dec 4, 2007, at 4:19 PM, oryoki2000 wrote:
>
>> Here's a fun collection of photos of extra-large listening devices
>> from days past.
> >
><http://www.oobject.com/category/incredible-listening-devices/>http://www.oobject.com/category/incredible-listening-devices/
> >
>
In this vein, here's a double boundary rig that goes lighter on the
environment than Curt's: http://snipurl.com/1utah Designed in 1998
by George W. Swenson, Jr, US Army Corp for capturing 10 to 40 Hz
from a military artillery training facility. A single microphone is
mounted on the ground right in front of the wall to achieve a double
boundary effect. 4.5 x 9.0 meters. Rob D.
--
"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause
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