Your best sound quality would be the SPID out of either your onboard sound card or a discrete sound card. As I understand it, the optical out (SPID) does not convert the sound at all, but travels over a fiber optic cable, so there is no degredation or potential EMF interference.
The opinions expressed above do not represent those of Advanced Micro Devices or any of their affiliates.
Requiescat In Pace AMD Processor Forums | Member since: 1/19/2009 | Post count: 4142
Please don't PM me with questions, instead create a thread so that everyone can assist and benefit from the knowledge provided. Thanks in advance!