AVS Forum Special Member
Join Date: Dec 2007
Location: Alberta, Canada
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I've never owned a plasma, but I've looked at them up close at retailers and gone through all of the menus.
All the 1080p models I'm seeing now don't display a stable picture like an LCD. The pixels vary in value constantly. Once I showed a sales guy what I meant and he tried to claim it was caused by splitting the video too many times. He thought I was crazy for believing that HDMI doesn't degrade by being split.
But anyway, you don't need to look for a split signal to see this. Just pull up a solid-color menu. Obviously these are generated internally in the display's processing and external source problems don't factor in.
Solid blue menus appear to have grainy patterns.
Is this 8-bit dithering? Shouldn't that not impact blocks of solid color, only gradients? At first I thought it was the anti-burn-in tech but I disabled those via the menus.
Panasonic CX850 (TC-55CX850U, 2015)
UHD: Philips BDP7501 | HD: PS3, WD TV Live
Denon AVR-890 (2009)