You can remove background noise in Audacity with the "Noise Reduction" tool. Use Audacity's Noise Reduction tool on a small piece of your audio first, and then expand the range. No tool for removing ...
For some reason I had a nasty hum in the background of the the interview I recorded for next week’s Radio program. I knew Audacity (did I mention it is free?) had a noise reduction filter, but the one ...