Source: /cirosantilli/audacity-profile-based-background-noise-removal

= Audacity profile-based background noise removal

You select a sample noise-only area, and it remove noise from the entire video for you:
* https://www.youtube.com/watch?v=AeOjtMOq3EU
* https://www.youtube.com/watch?v=3nMkMn4--5w