this post was submitted on 12 Jan 2024
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BluRay has evolved a few times since being released. The storage capacity keeps going up, which allows for 4K & 3D discs to be made.
DVD got replaced because it couldn't hit the 1K mark. There was SuperBit DVDs, but they didn't catch on. The picture size was still limited to 720p.
BluRay still has a lot of life left in it. It will be a long time before the market demands 8K recordings. And will there even be physical media for movies and TV by then?
DVDs had a maximum resolution of 576p. The Superbit DVDs by Sony were DVDs that had no extras so that they could use the entire space on the disc to maximise the bitrate. I think this was only beneficial to those with very large TVs.