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First, a video:

Short scaled GIF snippet

longer, higher quality

This is a closeup of my TV, of a still picture (the Xbox One menu)

There is no motion, the TV has all filtering, sharpening, etc disabled.

Could it be that the TV can't make the color range needed so it toggles pixels to approximate it? I remember software on the Atari ST and Amiga toggling between to images to approximate extra colors.

The TV is a LCD TV and the connection is through HDMI.

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closed as off-topic by Leon Heller, laptop2d, Lior Bilia, Bimpelrekkie, Brian Carlton Nov 15 '17 at 23:52

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions on the use of electronic devices are off-topic as this site is intended specifically for questions on electronics design." – Leon Heller, laptop2d, Lior Bilia, Bimpelrekkie, Brian Carlton
If this question can be reworded to fit the rules in the help center, please edit the question.

  • \$\begingroup\$ sorry, I forgot to write the obvious :) I added details in the post. \$\endgroup\$ – Thomas Nov 5 '17 at 11:31
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Looks like your display implements some sort of frame rate control, which is essentially the same type of temporal dithering you have seen in old home computers, but implemented in hardware.

Typically it gives you a "fake" 8-bit color depth from a 6-bit-per-subpixel panel.

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  • \$\begingroup\$ ok, so that's what I was assuming; is 6 bit per channel standard in LCD panels or is it only the cheap ones? \$\endgroup\$ – Thomas Nov 5 '17 at 12:27

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