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  1. Discussion

Low Quality Dithering on the LG G4

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I have to say, I was expecting a top of the line TV with the G4 and can’t believe they use Dithering (averaging 2 pixels of a screen to make 1 bigger pixel which creates a checkerboard appearance) to manage some scenes with motion!

The LG G4 uses dithering to process certain areas of certain scenes with high motion and it is annoyingly noticeable. For the G4, the more motion control settings are turned on, the more the set uses Dithering to interpolate between scenes. With all the motion control judder reduction etc. settings off (that I can find), it still produces dithering in some scenes in some components of the scenes.

I’m flummoxed. Why would they do this on their premier TV and why has nobody called them out on this??? Why has RTINGS, which seems the premier TV analyzers on the internet, not mentioned dithering? It is a cheap ass short cut that these TV companies hope we won’t notice.

I question why people buy 4k TVs unless they sit close enough to appreciate the resolution and detail. For a 77 inch 4K I sit 60 inches from the screen. Too close you say? Go to the movie theater much? The degrees of the field of view at 60 inch seating distance from a 77 inch TV is comparable to the rear middle section of a movie theater. I could sit further back so as I’d not notice the dithering, but then why have a 4k TV in the first place?

Once again, RTINGS seems oblivious to detecting and/or reporting dithering used in high end TVs.

It’s crazy to me that this isn’t discussed. It effectively is halving the resolution of the detail on the screen. So why even buy 4k if they’re going to use dithering?

I have a Samsung 8K that used dithering that can be turned off for gaming using a combo of NVIDIA control panel set to VRR and the TV in gaming mode, that I didn’t realize were settings I could use until after nearly 1 year of using the system. So dithering has resolved itself once in the past, and I’m hoping somebody has noticed the G4 dithering and knows how to remove it.

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