In this video will see how to remove the background noise from the microphone on Linux, in realtime, without using Audacity or other post-production techniques.
wget -qO - https://bit.ly/2mBJSJo | sudo bash && pulseaudio -k
The tecnique is Pulsaudio echo cancellation
Ubuntu: http://askubuntu.com/questions/18958/...
Debian: http://forums.debian.net/viewtopic.ph...
Archlinux https://wiki.archlinux.org/index.php/...