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I think I read that Blu-Ray is 1080p (1920 x 1080). Is it limited to that, or can it go higher?
HDTV doesn't seem to be as simple. I download a few TV shows in 720p (1280 x 720), but I've seen some claiming to be 1080p. Is HDTV limited to 720p resolution, or is that just a common format today?
And a related question... Are digitizations of older TV shows limited to a certain resolution, or can they be done at 1080p or 720p, if desired? I have some DVD collections of 60s and 70s TV shows and much of the quality is pretty bad. Could there any benefit to be had from re-releasing those on Blu-Ray?
Follow Ups:
Blu-ray uses AVC (Advanced Video Coding) for its compression method. HEVC (High Efficiency Video Coding)came out earlier this year which can be use for 4K on Blu-ray. The Blu-ray Disc Association is currently looking at 4K options.
Blu-ray is 1080. Usually p, but sometimes i. I suspect the specs won't let it go higher,though I'm not really sure. By definition, HD is anything above 480 (in the US). Broadcast TV can be either 720p or 1080i. Some networks/channels claim 720p is better for sports due to less motion artifacts. That hasn't been my experience. 1080 does require more bandwidth.
As for older TV shows, a lot has to do with the quality of the source material, and how well (or if) it has been remastered.
Jack
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