On Wed, 2004-03-24 at 08:20, Mark Williams (MWP) wrote: > Really the only thing you can do is invest in a good quality external DAC and > run a SPDIF (optical preferably for ground isolation) signal to it. > > It seems a lot of high quality soundcards now are quoting the S/N and other > stats of those of the DACs used on the card, not by measurment of what actually > comes out of the back of the card. > > The main problem is the power supply in the PC. > Its just far too noisy to be able to produce good quality audio. Would using a good-quality power supply make a difference? Something like this: http://www.zalman.co.kr/english/product/zm400b-aps.htm bye John