Hello, I have a HTPC with an ATI 5670 and output audio over HDMI to a Pioneer SC-68 AV/Receiver. I have no Sub or LFE output when I listen to Rhapsody or WMP, same problem with Turntable. I check on the device - it is set to 7.1, not stereo, and when I click on the sub, it gives me sound. When I use Jriver media center, the sub is active and everything sounds perfect. Is there an obvious fix for this, a setting in the software? I am not happy at all with the bass for Rhapsody without the Sub engaged, it sounds extremely thin. The fact that everything is fine with Jriver is what has me confused.