QjackCtl is a Qt-based tool for controlling the JACK Audio Connection Kit

JACK Audio Connection Kit

JACK is a professional sound server daemon that provides real-time, low latency connections for both audio and MIDI data between applications that implement its API...

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Basic Functions: It automatically tries to detect audio hardware and lets the user choose subdevices for input and output from a drop-down list as well as common options for the sound server. QjackCtl then uses these selections to build and execute the right command-line for jackd.

See also

• JACK Audio Connection Kit
  JACK Audio Connection Kit
  JACK is a professional sound server daemon that provides real-time, low latency connections for both audio and MIDI data between applications that implement its API...
  
  

Further References: Without the graphical help of QjackCtl it would be pretty hard to find the right parameters for jackd - and there are quite some (translated from http://blog.ax11.de/permalink/Der-Real-Life-Linux-Trance-Live-Act-Crash-Kurs-Teil-1-Set-Up.html)

External links

• Page on SourceForge

Here are some links to help you working with Jack and QjackCtl:

• wiki.linuxmusicians.com/doku.php
• LINUXUSER article by Dave Phillips "Knowing Jack"
• LINUXJOURNAL article by Dave Phillips on the transport control capabilities of Jack
• How to configure Jack in Ubuntu Studio
• 64studio Quickstart Jack
• 64studio Manual Jack
• How to use the Patchbay in QjackCtl
• How to use the QjackCtl connections window