And one correction I’d like to add to WHF’s piece - for the piece I’ve written that I mentioned in my previous post, I did a comparison of Kong: Skull Island, which I chose because I had the 4K Bluray, bought it on iTunes purely for comparison, and it was on Netflix at the time. The Netflix one was a fixed bit rate of 7mbps for picture, whereas the 4K Bluray was anywhere between about 30mbps and 99mbps. It looked soft in comparison.
The problem is that people don’t understand that it’s not the resolution that is the most important, it’s the bandwidth/bitrate of the picture. The public sees 4K streaming and presumes its the same as a 4K disc, especially becaise its the same amount of pixels. As mentioned, it’s video compression that’s the killer, and not only does streaming services use more compression, but it’s not even the same video carrier as UHD discs. UHD uses HEVC, Bluray uses AVC or VC1, DVD uses MPEG 1 or 2, and streaming services use different ones, but you’re looking at something like MPEG4. The main criteria for streaming compression is to compress to a point where it reduces issues when played in homes - it needs to be a signal that can be handled by everybody’s broadband, no matter how bad.