Thank you for trying Sokratis - this has been a problem for a very long time. When I connect my digital S/PDIF cable to my Audya & soundcard I get a gorgeous clean signal, but sadly also a 'swirling digital cyclic scraping' type of noise on top of the fine audio which makes recording impossible.
My soundcard is a MOTU 828 Mk 2 - appreciate any help with this very much. Carl