XBMC (Home Theater PC Front End)

I've noticed that when I play my MKV files (5.1 source audio) in something like VLC or Mediaplayer Classic I get the full 5.1, however through XBMC sends a dolby surround (2.0 psuedo surround) via the analog and not the true 5.1 signal. Any ideas why?

In other words (hard to explain)...all 6 speakers are playing audio but the rear channels aren't getting a discrete audio signal but rather a sampling of the front two.

Windows XP Pro SP3
Auzen Xi-Fi via analog outputs
Everything off in the control panel

Thoughts?

Thoughts?I would post your question in the HTPC forum here (http://www.avsforum.com/avs-vb/forumdisplay.php?forumid=26).

There is a setting to use Dolby digital or pro logic. Set it to digital.

There is a setting to use Dolby digital or pro logic. Set it to digital.

but I"m using analog outputs (6 RCA cables)

Your audio drivers should do the job of decoding the dolby digital and outputing it via your 6 rca connection.