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#2642 |
Retired Hollywood Insider
Apr 2007
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I would like to avoid an intensive discussion on B.T.1886 (linked by Stacey here - https://forum.blu-ray.com/showthread...on#post3103648 ) because for one thing, it hasn't replaced 709 industry-wide, but for those neophytes to the home theater hobby who are totally unfamiliar with gamma function and how it can effect the appearance of an image,
check out Matt’s old (now, vintage) pdf, around pages 30-34 (the stockbroker sleeping on the park bench)….http://www.etconsult.com/papers/Imag...tt%20Cowan.pdf |
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#2643 |
Retired Hollywood Insider
Apr 2007
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^
P.S. b.t.w., Matt will be presenting next month on the subject of luminance and dynamic range effecting cinema motion for those of us not fearing to visit earthquake country (I'm talking to you Rick). Last edited by Penton-Man; 01-25-2014 at 06:33 PM. Reason: typo |
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#2644 | |
Retired Hollywood Insider
Apr 2007
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The newest kid on the block now demoing around zee world is the 4K Canon (of course, 10 bit). |
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#2645 |
Blu-ray Baron
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I've got a question which relates to a concern Joe Kane has about UHD: At see the 9:00: http://www.avsforum.com/t/1471727/joe-kane-on-4k
In a nutshell: since 4K (4096 lines) actually has very slightly more resolution than UHD (3840 lines), how will movies scanned at 4K be handled for UHD? Will they be scaled from 4096 -> 3840 which would cause some loss in resolution; or will the movies be "center cut"? This would would mean about a 6% overall loss around the edges of the frame according to Joe Kane but you keep the 1:1 pixel resolution for the rest of the frame and no scaling. Furthermore, how are they doing this today with Blu-ray 1080p since it's in the same situation compared to having slightly less lines than 2K? I assume 4K scans are downscaled to 1080p. Or, are they downscaled to 2K and then center cut? Anyway, just a few questions. |
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#2646 |
Blu-ray Emperor
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Well, cropping would be preferable to scaling. A 1.85 2K DCP comes in at 1998x1080, so you'd only have to lose about 78 horizontal pixels for it to 'fit' the HD resolution. Widescreen 2.39 is a little more at 2048x858, so you'd have to crop 128 pixels. (Double those pixel counts for 4K to UHD.)
As to who's doing what, I don't know for sure; it depends on whoever's doing the Blu-ray mastering and what their personal picture peccadilloes are. Some may prefer to crop, others to scale. But I don't think it's a coincidence that a great many new Blu-ray transfers tend to lose slight amounts of picture info compared to older transfers... |
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#2647 | |||
Senior Member
Oct 2007
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#2648 | |
Retired Hollywood Insider
Apr 2007
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#2649 | ||
Retired Hollywood Insider
Apr 2007
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And answered a few weeks later after giving everyone a chance to think about it (#2 being the correct answer, as Geoff has indicated). In a word, I suspect most content creators of packaged media deliverables in Hollywood facilities will produce 4K BDs which come from 4K DIs, similar to how they now make 1080p BDs from 2K DIs….. Crop. But what do I know? Because the love of my life hasn’t returned home yet and my cable went out last night!…. |
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#2650 | |
Retired Hollywood Insider
Apr 2007
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Note to pentatonic, I haven’t disregarded nor forgotten your thoughtfulness
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But hey, things could always be worse, I figure it’s better than being stranded alone on a ship full of cannibal rats ![]() As to RED, I’m really beginning to think that the Dragon camera was RED’s last hurrah, which is why a couple key people have departed from posting on that company’s website for RED users. Last edited by Penton-Man; 01-25-2014 at 09:44 PM. |
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#2651 | |
Retired Hollywood Insider
Apr 2007
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#2652 | |
Retired Hollywood Insider
Apr 2007
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Many times, one missed opportunity results in lost points, and lost points leads to you not winning the Premiership. |
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#2654 | |
Blu-ray King
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#2655 | ||
Retired Hollywood Insider
Apr 2007
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![]() I’ll emphasize the fact (to people who think and post that you can’t see 4K resolution on small screens) that the Canon is a 30” sized monitor - http://www.usa.canon.com/cusa/about_...01e02480a6996f I mean, I could have delved into problems the 4200 ( https://forum.blu-ray.com/showthread...00#post8637283 ) had in regards to artifacts before there was a software revision, but I thought that be too esoteric of a post. Or, I could have named the exact monitor on that Post Magazine list which was used to determine HEVC bit rate quality in scientific testing (https://forum.blu-ray.com/showthread...te#post8587749 ), which apparently Netflix is targeting as a guideline for their streaming delivery, but I figured that might be construed as shilling for a particular monitor manufacturer. I thought I’d leave it as simple as possible for folks… Quote:
Last edited by Penton-Man; 01-26-2014 at 09:11 PM. Reason: misquote |
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#2656 |
Retired Hollywood Insider
Apr 2007
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‘Ultraviolet’ Mitch was also laid off
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#2657 |
Retired Hollywood Insider
Apr 2007
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As I notice a milestone was reached yesterday with this thread passing the ⅓ million viewership mark (https://forum.blu-ray.com/forumdisplay.php?f=24 ), I’d like to thank all posters, readers and moderators for contributing to its success.
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#2658 |
Retired Hollywood Insider
Apr 2007
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#2659 | |
Retired Hollywood Insider
Apr 2007
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![]() By reminding them of this – http://www.cst.fr/IMG/pdf/Flyer_-_ED...l_Cozannet.pdf which eventually made it to Blu-ray - https://www.blu-ray.com/movies/Paris...y/1036/#Review |
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