Hdmi 2.0

[Tech-UK]

Originally Posted by Wendell R. Breland

12 bit, 4:2:2 because there are many more steps between black and white + Deep color. Bit depth determines number of steps, X:X:X determines color to luminance sample ratio.

IMO, there is little chance that we will see more than 8 bit, 4:2:0 in the near future for home use. As it stands H.265 (HEVC) will need extensions ratified in order to accommodate anything greater than 8 bit, 4:2:0.

Plus there is limited benefit of using 4:4:4, especially when using optical discs, as the whole point of Chroma Subsampling is to reduce the amount of storage space required. As for transport bandwidth, as you know and many others, HDMI IS capable of transporting that amount of information (resolution and frame rate dependant of course).

Could you not see 4:2:2 10-bit get the go ahead for 4K Blu-ray or be introduced later on?