You'll want to use Audacity's background noise removal tools on a small bit of audio at first, then expand it.

I knew Audacity (did I mention it is free?) had a noise reduction filter, but the one time I tried to use it before there wasn’t enough singled-out “noise” for the application to sample. This time I ...

1.we'll use the voice recordings you made during the equipment demo. Once you have uploaded your clip, you'll notice something called a waveform, which is a visual representation of the audio file; we ...

Use GarageBand or Audacity to digitize analog music for backup and playing on devices. Record your music in the digital audio workstation and edit your audio as individual tracks. Export your files ...

This Audacity Effects Tutorial will demonstrate how to use several of the common effects that are available on the Effects Menu. Effects are procedures that alter the sound of the selected audio. Fade ...