Fedora Magazine - https://fedoramagazine.org/audacity-quick-tip-quickly-remove-background-noise/
When recording sounds on a laptop — say for a simple first screencast — many users typically use the built-in microphone. However, these small microphones also capture a lot of background noise. In this quick tip, learn how to use Audacity in Fedora to quickly remove the background noise from audio files.
Audacity is an application in Fedora for mixing, cutting, and editing audio files. It supports a wide range of formats out of the box on Fedora — including MP3 and OGG.Install Audacity from the Software application.
If the terminal is more your speed, use