There's also possibly a need for a setup screen to enable people to properly set their 
TV's brightness/contrast controls (or TV output).. This would include signals like 
PLUGE (for correct brightness & contrast) & colour bars (for correct colour 
temperature/saturation).  This would be very simple to add into a setup menu, although 
calling external screen setup programs (e.g. nvidia-settings) might give rise to other 
issues (such as which program to call since not everybody uses the same graphics 
hardware).


That would be really cool integrated tv calibration tools. mpeg-2 test patterns for white level, blackness, sharpness. That would be slick.
I use Avia's DVD for this.
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