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Cleaning up recordings with background noise

Subject: Cleaning up recordings with background noise
From: "Desiree L. Narango" lilblue_frog
Date: Fri Apr 9, 2010 6:47 pm ((PDT))
Hi group, 

I have recordings that I would like to clean up some of the background noise 
(mainly loud highway traffic) so I can have better looking sonograms. 

Any advice on the best way to do this? I have a suite of software I could use, 
Raven lite, audacity, wavepad. I've played around with noise removal profiling 
but it seems to just warp the recording as whole, bird song included. 

What's worked for you? Any advice from acoustic researchers, professionals or 
hobbyists is appreciated. 

Thanks, 
Desiree







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