Question:

Why are there square artifacts appearing on the screen during fast motion or complex scenes, and how can this issue be resolved?

Answer:

Squares appearing on the screen during fast motion or complex scenes can be caused by the way a service provider compresses and encodes the video to be sent to thier set-top-box, or the way the video was compressed and encoded on a DVD. The correct term for this is macro blocking. an example of macro blocking can be seen in the image below.

If you are experiencing this problem unfortunately this is not a television issue and there is nothing that can be done to prevent this in your TV. Encoding your video file differently or the way it is compressed on the DVD can remove this issue from a DVD source but to resolve this issue from your set-top-box you would need to contact your service provider to see what can be done on their end.

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