jaap wrote: > Ihave a yamaha rp-u200 usb "soundcard". > > Couldn't open hw:0,1 for 32bit samples trying 24bit instead > Couldn't open hw:0,1 for 32bit samples trying 24bit instead > Couldn't open hw:0,1 for 24bit samples trying 16bit instead > Sorry. The audio interface "hw:0,1" doesn't support any of the > hardware sample formats that JACK's alsa-driver can use. What formats does the device actually support (see /proc/asound/card0/stream0)? Regards, Clemens