On Friday 09 May 2008 15:46:59 Michael Gogins wrote: > I have the SigmaTel HD chipset and it worked very well for me with Ubuntu > and ALSA. Are you using the correct device name in ALSA? Not all of them > worked well for me -- I can't remember which one worked best. Indeed, asking ALSA directly instead of through portaudio helped a lot. > It was not -o > dac anything, but something else. In other words, a direct hardware port, > not a software emulation port. I think. I wish I could remember better, I > don't use Ubuntu that often. You might search Nabble for ALSA... I just > did! Try something like "-o dac:hw:0,0".... If I try dac:hw:0,0 I get a "cannot set number of channels" error from csound. However with just -odac it works fine. I'll have to test your Windows suggestions too, because this problem is also affecting a friend who uses Windows. -- Felipe Sateler