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Re: giant listening devices

Subject: Re: giant listening devices
From: "Rob Danielson" danielson_rob
Date: Wed Dec 5, 2007 1:01 pm ((PST))
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...
>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.
>  > 
>  >

In this vein, here's a double boundary rig that goes lighter on the 
environment than Curt's:   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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