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[RFI] Actually an AFI Question ...

To: RFI List <rfi@contesting.com>
Subject: [RFI] Actually an AFI Question ...
From: "doc@kd4e.com" <doc@kd4e.com>
Reply-to: doc@kd4e.com
Date: Thu, 03 Feb 2011 16:47:36 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Can low-frequency audio be canceled using sound?

I seem to recall someone using sound to cancel echos
in a hall to improve the acoustic qualities.

Would it be possible to detect thumpa-thumpa loud car
audio and transmit sound that would cancel that sound?

Just wondering ...

I have ruled-out a cruise missile, laser-canon,
radar-canon, and shoulder-launched missiles ...  ;-)


Thanks! & 73, KD4E
David Colburn http://kd4e.com
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