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The goal of the 78-page Ultra HD explainer is to ‘introduce and de-mystify the technologies’ comprising the next-gen wave of 4K content, including broadcasts.

While the Ultra HD Forum’s UHD Phase A Guidelines focused on the 4K technologies commercially deployed in 2016 (HDR10, HLG), its Phase B Guidelines document (which you can peruse here) is a ‘preliminary look’ at the next generation of 4K technologies.

Future versions will concentrate on these being deployed in an end-to-end workflow. 

So if you're interested in the future TV landscape, your lunchtime reading is sorted.

It defines such technologies as a) those that are functional in an end-to-end workflow (that is, from camera to consumer) and b) those at least two service providers demonstrate ‘interest’ in.

These include High Frame Rates (HFR) of 100 and 120 frames-per-second (the standard is 60fps or lower), which it deems possible for over-the-air content, as well as dynamic metadata (including Dolby Vision). The SMPTE (Society of Motion Picture and Television Engineers) is currently working on standardizing the packaging of HDR metadata in production facilities.

It also details dual HDR layers, meaning an image signal split into two layers suitable for both 4K/HDR-supporting and non-4K/HDR-supporting devices. There's a base layer, containing a lower resolution image, and an enhancement layer that contributes higher resolution details.

Last but not least, the document also covers ‘next generation audio’, which includes object-based audio (such as Dolby Atmos, DTS:X), across broadcast, over-the-air and mobile distribution platforms. 

MORE:

HDR10+ moves a step closer to Ultra HD Blu-ray

HDR10 vs Dolby Vision: which is better?

Ultra HD Blu-ray - everything you need to know

10 of the best 4K HDR TVs

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