[mythtv-users] Where/how to plug in out-bound sound?

[Blake]

OK, I've just gone for reinstalling the system, and am now looking to plug  
in sound...but how?

I have an Audigy (and onboard sound, hope that doesn't cause problems) but  
there's no place to plug in the standard 1/4" connectors, at least that I  
can see. What's the usual process? A Y-cable? What's the jack size on the  
computer-side, does anyone know off-hand? It doesn't seem to be quite  
1/4".)