Why does my 4k HDR content look good on my HD TV?

My PMS is hosted on my wired Windows desktop. My client is a wired 2017 Shield that goes to my TV through the AVR. Neither my TV nor my AVR can handle 4k/HDR content. I purchased a new TV and AVR but haven’t set them up yet (waiting for Christmas). In anticipation, I’ve been backing up some of my 4k HDR discs that were previously in storage. Out of curiosity, I test played a couple. These are straight out of MakeMKV, no processing at all. Half of the time, the colors are washed out and dim. I expected this because of my equipment. But the other half of the time, the colors look great. I know PMS has a tone mapping option (which is enabled in my settings), but when I look at my playback settings, Plex client reports it is direct playing. It also does not act like it’s transcoding as there is no buffering or delays, I can seek fine.

Is Plex not accurately reporting it is transcoding to do tone mapping? Or has PMS found a way to do tone mapping without transcoding (don’t even know how that would work)? I’m also surprised it is not reporting any transcoding related to the resolution, although I assume it is getting down sampled somewhere in the pipeline.

The Shield can do tone mapping itself.

Whoa! That is awesome! I looked around in the Shield settings and couldn’t find this. The closest I could find was in the advanced display settings there is an option to match monitor’s color profile, which is not enabled on my device. Would Shield be doing this automatically from some other setting?

I don’t think it has any setting.

It will just do it automatically when watching HDR content on a non-hdr connected tv.

That makes the Shield even more amazing. On the fly tone remapping without encoding. Very cool! Thanks for the info!

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