Ubuntu
qjackctl package

  1. Bug #398209
  2. Comment #4

Comment 4 for bug 398209

Revision history for this message
William L. Blackburn III (blackburnw) wrote :

to run jack in real time mode I am pretty sure that you need a real time kernel. If you haven't already, check this page out and download the low latency or real time kernel free of charge.

https://help.ubuntu.com/community/UbuntuStudioPreparation

hope this helps

also, try changing the frames/buffer and other settings that affect the latency time that is computed.