Install jack-capture by entering the following commands in the terminal:
sudo apt update sudo apt install jack-capture
Description:
program for recording soundfiles with jack
With this program you can record any sound which is played via jack. . jack_capture allow you record to all formats supported by sndfile. (wav, aiff, ogg, flac, wavex, au, etc.)
Homepage: https://github.com/kmatheussen/jack_capture
Version: 0.9.73-3
Section: universe/sound