1/3/2024 0 Comments Forza horizon 4 hdr pc -demo![]() HDR10 and Dolby vision both used this system, and can refereed to as PQ based HDR So if a modern HDR TV is fed these values, they should be exactly outputting the amount of light described by the value given. ![]() A value of 0 will always represent no light at all (total black), a value of 1023 will always represent 10000nits of luminance, a value of 769 will always represent 1000nits. Unlike previous video formats, these values are defined and are absolute. HDR10 /Dolby Vision is a little bit different, not just because it uses a scale of 0-1023, but because each of these data values represent not just black to white (or colour), but also a measure of luminance in Nits, which isthe intensity of the light (how bright it is) When it comes to SDR video, you may be familiar with RGB values 0-255, with 0 representing the colour black and 255 representing white (if you've ever used a colour picker in MS paint or a word processor, you may have seen this type of number). ![]() I've spent the last couple of weeks investigating the HDR output of various games. ![]()
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