JACK FAQ

• What is JACK?
• What is the difference between JACK1 and JACK2?
• What audio devices are supported by JACK?
• How do I refer to a soundcard so that the name always works?
• How do I stop JACK from creating pops, clicks and other artifacts?
• What are the best settings to use?
  • What are the best settings to use for a USB1 audio device?
• How can I use multiple soundcards with JACK?
• How do I use JACK over a network?
• Do I need a realtime kernel to use realtime scheduling?
• How do I configure my Linux system to allow realtime scheduling?
• How does using Linux with RT_GROUP_SCHED enabled affect JACK?
• How can I save/restore JACK connections?
• How can I setup persistent connections?
• How can I use PulseAudio and JACK on the same machine?
• How can I play audio from … via JACK?
  • Flash
  • GStreamer applications (e.g. Totem, Rhythmbox & many more)
  • Phonon applications
  • XMMS / Audacious
  • Applications using ALSA directly
• How do I connect my ALSA sequencer applications to JACK MIDI?
• How does JACK compare to … ?
• Does using JACK add latency?
• How do I build and install JACK?
• How do I make an app that uses JACK?
• How do I use JACK on Windows?

Hardware Specific Questions

• Macbook w/Linux: audio played via JACK output is distorted, but direct ALSA output is fine
• How do I use an M-Audio Fast Track Pro?