Sounds like a problem I had. Have you looked at the buffer settings in SSM? They have to match the buffer settings in Jack. Jonny www.jeremah.co.uk Artem Baguinski wrote: > hello > > if i use OSS module of SSM and set it up to output only i get nice > output > > if i set it up for duplex i hear some clicks > > if i use JACK module i hear some weird extra harmonics + noises, no > matter what JACK settings. > > where should I look for the reason? > > NB: if i use ardour + jack i have no problem with or without > duplex. >