: Refers to the color depth. While standard video uses 8-bit, 10-bit allows for over a billion colors, which is necessary for
(High Dynamic Range) to prevent "banding" in gradients like sunsets. Viewing Guide & Requirements Avengers.Infinity.War.2018.2160p.4K.BluRay.x265...
The Ultimate Cinematic Event: Demystifying Avengers: Infinity War in 4K UHD Blu-ray : Refers to the color depth