11-25-2007, 02:59 PM
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<-- CSXT 6038, EMD GP40-2
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Join Date: Dec 2005
Location: TOO sunny Florida, USA
Posts: 580
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Quote:
Originally Posted by old_tv_nut
Dc restoration means the set keeps a constant black level independent of scene content. In sets without DC restoration, the average video level is constant because the varying DC level is blocked by a coupling capacitor. So if the original scene has lots of DC due to having large bright areas, the set lacking DC restoration will reduce the average level, and all areas will get too dark, and the shadows will be cutoff and just be black blobs. On the other hand, in a scene with lots of dark areas, the DC level will be too high and the scene will show as washed out and foggy.
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Oh, I get it now! 
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