It uses what is called "fixed" metadata, meaning that it sets the HDR optimization once for an entire show or movie. Current Stock:. For example, since the base brightness of a TV is units, a Quantum HDR with a 16x peak brightness multiplier would have a peak brightness of 1, units, Quantum HDR with a 24x peak brightness multiplier would be 2, units, and so on. Quantum HDR is one of the latest technologies in the TV industry that many folks still find too hard to understand. Here again, there is nothing new in technical terms — the terms were needed to distinguish some Samsung TV models. Deals and Shenanigans. In other words, having high natural contrast and correct color rendering is much more important than having 4K with unimportant indicators. It indicates how bright or dark the image can be on the screen. The same is true of older TV screens. About Us.