QUOTE(Skidd Chung @ Oct 2 2013, 02:49 AM)
Do you connect directly to the back panel to your Xonar? Or you using the front panel connections?
For me it's I connect it to the back panel. I'm also using Xonar DG.
Edit:
Thinking about your problem reminded me of software related issue rather than hardware. Most likely the configurations of the Xonar software vs game sound preference vs Windows preference.
I found this solution from Hardforum.com which helped a a guy who was having problems getting his Xonar to improve the sound of his BF3. Credit should go to the original poster. It might help your problem.
"Set Windows to 5.1 speakers (in Sound properties), then set Battlefiled 3 to either Home Cinema or HiFi, and disable Enhanced Stereo. Finally, set the Xonar DG control panel to Audio Channels - 6 channel, Analog Out - Headphone, and select Dolby Headphone at the bottom. If you select the Dolby Headphone entry, you can also change which reference room - personally, I prefer DH-2" Thanks for the suggestion but it doesn't work for me.
At first my headphone was plugged into the Logitech Z103 external Audio port, then when I noticed the static, I switch to direct connection to the Sound card, both produce the same static noise which only happens in games unless I quit the game or switch to desktop.
The weirdest thing is I'm unable to use the front Audio port, probably it's disable which I don't know how to activate it or something else, mind tell me how?
QUOTE(SSJBen @ Oct 2 2013, 06:29 PM)
Static may also mean a grounding issue with your PC. The reason why static is happening is because when your PC draws more power from the PSU, the current going into it isn't clean.
I think so too, but wouldn't the grounding issue will also cause static while I'm not in-game as well? Which the issue I encountered was only happen in game.