Separate record audio from a source in ubuntu

pavucontrol gnome-sound-recorder

Create a virtual source

$ sudo apt install pavucontrol

$ pactl load-module module-null-sink sink_name=VirtualOutput1

$ sudo apt install gnome-sound-recorder
  • Create virtual output

virtual-output.png

  • Playback to virtual output

playback-to-virtual-output.png

  • Record from virtual output (monitor input)

record-from-virtual-output.png