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Old 01/12/2008, 01:05 AM
funman1 funman1 is offline
Got Salt?
Join Date: Jan 2006
Location: Citrus Heights, CA
Posts: 2,939
I think your best bet would be to get or make a small device that lights up when audio is present,
and put "THAT" in the cage with the animals and visible to the cameras.
I'm sure there's a small project like this on hobby websites. It could prolly even be battery operated.

Just my thoughts on how I'd tackle the issue..
"Sharks are naturally peaceful."
"How'd you get that nasty cut anyway?"
"A shark bit me."

Jack of all trades, and master of none.