* Different settings for different formats
* Reset to defaults button
* AC3-specific options (DRC, equzlizer, clev, slev)

Other
=====
* Slider class; reset to default on right-click
* Custom mixing matrix for different mixing modes
* Sync is lost after fast output mode changes
* Specify where to mix LFE channel
* Simplified output configurations list
* registry updates at installation stage to make
  WO/DS switch with fresh installed computer 
  (Creative drivers bug?)
* 90-degree phase shifts for DPL/DPL II downmixes. 
  (90-degree shifted IMDCT function?)
