Things get more interesting in a Dolby Vision workflow. You can bring those 255/1023 mapped graphics down to a value of your choice, or you can request specific code/nit values from a 3rd party graphic/motion graphic designer. In an end-to-end HDR workflow, placing graphics and text at a certain level is a pretty simple exercise – 255/1023 graphics will be by default, mapped to the peak luminance of your project. Text & Graphics In A Dolby Vision Workflow Like other aspects of finishing, part of the discussion is driven by a need for technical guidance, but also by aesthetics. These opinions range from – 100 Nits (SDR Level) to higher levels like 200 or 300 NITs and a few urging that it should be proportional to peak white point. NIT Value By ConsensusĪs you’ll hear in the Mailbag, the issue of how bright graphics and text elements in HDR projects should be is still largely up for debate even though some standards bodies, companies like Dolby, and well-known color experts all seem to have an opinion! Much of the discussion around HDR and Dolby Vision is placed around the video content (and rightly so), but in many projects, text and graphics can play a key role. The gist of Jame’s question(s) was – what nit level to place text and graphics within an HDR project and what are the best practices in a Dolby Vision project?
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