Connect JACK, Ardour4 and your keyboard on Ubuntu

Posted on April 15, 2018

Keyboard to JACK

  • Normally, ALSA will take over the MIDI input, which blocks the access of MIDI from JACK. We have to run a2jmidi_bridge before running JACK.
  • In the `connect` section of QJackCtl, you should be able to find your MIDI keyboard as capture.

JACK to Ardour


  • In ALSA, connect MIDI with a2j_bridge
  • In MIDI, connect a2j_bridge with other MIDI inputs