this post was submitted on 11 Jul 2024
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HDR vs no HDR makes a big difference in colours to me. And if you compare compressed low Bitrate footage vs higher Bitrate there will often be artifacts or color banding, particularly in darker scenes or wherever you have gradients.
It ofc also depends on what device you are watching it on. But I would say that yes if you have a movie (made up example) that is compressed to 5gb total size vs 25gb vs 70gb for the uncompressed Blu-ray quality, then the first jump will be a very noticeable difference assuming you have capable hardware. Whereas the second one will be much much less noticeable and also come with other drawbacks that need to weighted off, e.g. storage requirements.
Blu-rays are compressed too, they're just less compressed. Uncompressed 4K at 24fps is around 4.7Gbps (around 600MB/s) so 70GB would only be around two minutes of video.
What they meant is that the Blu Ray rips aren't recompressed again. You can download a 1:1 copy and the quality will be identical to what's on the disc.
Oh! Yeah, that makes sense.