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Originally Posted by Heyitsrick
Nice write up, Jerry. A couple of clarifications - there are most definitely 4K/HDR Blu-Ray Discs available today. Yes, older Blu-Ray discs aren't 4K/HDR, but many of the newer releases come in the 4K/HDR format. Of course, you need a 4K/HDR Blu-Ray player, as well (I have one), as well as a 4K/HDR TV - and a Blu-Ray disc formatted in 4K/HDR.
Nitpicking here (sorry), but HDR10 is a "standard" for HDR, meaning virtually every 4K/HDR TV comes with HDR10 capability. HDR10 is free. Dolby Vision, on the other hand, is licensed by Dolby to TV manufacturers, meaning the manufacturers have to pay Dolby to include it. Dolby Vision does have better specs on the type of picture it can display if a show/movie is offered in Dolby Vision. To be clear, if your TV comes with Dolby Vision, it almost assuredly also has HDR10 HDR as an option, too. The reverse isn't true.
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4K has become the standard technology for new TVs. I have a 75 inch 4K HDR TV, a 4K bluray player, and a 4K cable box. But, I have the 4K resolution turned off, because there is almost no content available. And, even when it is available, I usually cannot tell the difference in picture quality. I did watch the last Super Bowl in 4K, and it was a better picture, but the picture did cut out a few times. But, for most movies and television shows, it doesn't seem to make any difference. Sometimes, I suspect that they say it is 4K, when it really is not. Apparently, there seems to be no effort being made by providers of video content to improve their picture quality to match the capability of TVs. I have also noticed that almost all movies on DVD, cable, and streaming use the Dolby Digital 5.1 sound system, when there have been more advanced sound systems available for many years.