federico <xaero@xxxxxxxxx> writes: > i guess jack doesn't handle multiple soundcards You set up the multiple devices in alsa to present them as one device to jack. If these devices are not able to use the same clock, they will drift. > can work if i start two instances of jack? It is possible to run a jack server on each card and then communicate between the servers. I cannot point you any place, but I'm sure someone else will. -- Esben Stien is b0ef@e s a http://www. s t n m irc://irc. b - i . e/%23contact [sip|iax]: e e jid:b0ef@ n n