Audacity is a great tool for simple audio editing. If you've only ever used it to trim recordings, now's the time to take the next step into actual signal clean-up. Here's how to remove noise from any ...

I have a set of MP3 files that were converted from some old cassette tapes of someone talking into a mic about 30 years ago. The quality of the MP3s is uneven and as part of the conversion process ...