On Thu, 2005-11-24 at 23:37 +0100, Ronny wrote: > Hi All, > > I am using Linux Fedora FC4 and M-Audio Audiophile USB. > This card works perfectly in output when using ALSA directly, > e.g. alsaplay -d plughw:2 works fine! i don't know what alsaplay is. if its like aplay, use the -v argument to get a verbose listing of the h/w config that the device ends up with. then try to replicate that using the hw:N device with JACK (not the plughw device). JACK can use plughw devices, but it is intended to work better with a hw device. > Problems rise when I try using Jack. > even if I managed to get it starting with > jackd -dalsa -dplughw:2,0 -r44100 -p1024 -n4 -Pplughw:2,0 -S -o2 this is a very very odd way to start JACK. the -Pplughw:2,0 seems redundant.