>I never looked into JACK, I just know LAAGA and Arts and what Richard >posted about LAMEDA. JACK is the one used within Ardour?
JACK is the new name for LAAGA. People seem to like it better than LAAGA, and I'm a person too :) Ardour currently uses the AudioEngine to interact with audio h/w, which was a starting point for JACK, but didn't handle out-of-process clients. I plan to switch over to JACK "soon". --p
