VMS HDP 11 Using Cookie Cutter and Pixelate to hide an item (animated) in the Preview it looks fine but the actual rendered (mp4) result is very poor.. effectively not doing the job it was to. Any tips on this?
Your pixelated area is seen as complex motion, demanding higher Bitrate.
Set you average bitrate higher, and adjust your maximum bitrate to a point that will not stutter in your player. Anything with complex motion will look bad on YouTube.