Originally Posted by coolgeek
And that's why you see so many reviews saying that the JVC eshifts are as good as the true 4k of the sonys... It's because the content isn't truly 4K... And why upscaled 2K looks almost identical to actual 4K of the same movie...
I guess, it'll take 3-5 years before you see truly shot in, mastered in, processed in 4k source materials for block buster movies... right now, it just cost too much to do much of the CGI effects in 4K... it's costing too much for them to do it in 2K in the first place...
Movies have been shot in 4k for a LONG time, but in post production, the content is scaled down. When we were shooting The Big Short, Adam McKay (the director) chose to use a Red 6k camera. Today, some films, like Guardians of the Galaxy 2, was shot with Red's 8k Weapon. When shooting RAW 8k video footage at 24fps with 16 bit color, the video file is approximately 1.6 GB per second of video. No one has difficulty shooting content in ultra high resolution. The problem is how are you going to deliver it to the consumer? Luckily, Blu-ray disks can't hold much more content than DVD could, but when you think about the size of the video content, an hour of RAW 8k video like I mentioned would be almost 6 TB an hour. Blu-ray disks only hold 50GB of content, and then you have the whole bandwidth issue. An 18Gbps HDMI can't even come close to handling this content, so it's compressed. Today, our limitations are in the hardware required to view the content.
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