Ive finally discovered how to properly dither your footage to reduce banding. The key is to add the small amount of grain/noise BEFORE you do levels/curves adjustments. If you do your adjustments first, the added grain will simply be "on top" of the banding. When you add the grain first, it acts as a filter in the banded areas and the adjustments end up much smoother.
Check out the pics below, this is an out of focus area in the background.
....................No dithering, after levels/curves.................Grain correctly applied BEFORE the levels/curves.......Grain improperly applied AFTER the levels/curves
Check out the pics below, this is an out of focus area in the background.
....................No dithering, after levels/curves.................Grain correctly applied BEFORE the levels/curves.......Grain improperly applied AFTER the levels/curves
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