4K HDR10 - State of Play - important media player limitations - LAST UPDATE sept 2020
(2019-04-29, 19:50)dm12 Wrote: There is something I don't understand about the HDR10 support I think. Don't you need HDMI 2.1 for dynamic HDR (HDR10) ? The (for example) Xiaomi box only has 2.0a.

It's possible that HDR10+ metadata support can be added to HDMI 2.0a devices if there isn't a specific hardware limitation that means you can't output HDR10+ dynamic metadata?  (Isn't Low Latency DV using something similar rather than tunnelling their dynamic metadata?) 

HLG was added to HDMI 2.0b formally, but a number of TVs that could support it had HDMI 2.0a interfaces and got HLG support added ISTR?

Some HDMI spec limitations are very hardware based - like support for higher frame rates, higher resolutions and bit depths etc. - whilst others are just additions to existing signalling specs that don't demand new hardware functionality.
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RE: 4K HDR10 - State of Play thread - important media player limitations. - by noggin - 2019-04-30, 01:49
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