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Search: Posts Made By: Joe Bloggs
Forum: 2.35:1 Constant Image Height Chat   05-19-2015, 07:03 AM
Replies: 185
Views: 12,150
Posted By Joe Bloggs
You can't have both always giving you identical...

You can't have both always giving you identical the the original, and always giving quality as good a normally encoded letterboxed Blu-ray (ignoring compression/luma) because a normally encoded...
Forum: 2.35:1 Constant Image Height Chat   05-18-2015, 11:06 PM
Replies: 185
Views: 12,150
Posted By Joe Bloggs
If that's true though, that it means that they're...

If that's true though, that it means that they're not encoding the letter-boxed version with the best quality. Surely the best way to downscale to a letterboxed version is by blending pixels,...
Forum: HDTV Software Media Discussion   05-17-2015, 11:09 PM
Replies: 91
Views: 5,025
Posted By Joe Bloggs
I'm guessing they will release 48 fps films on...

I'm guessing they will release 48 fps films on UHD BD not only in 24 fps but also like at 50/60 fps (more likely 60). Even though it won't be 3D (releasing them at 48 fps would be better, but I still...
Forum: 2.35:1 Constant Image Height Chat   05-16-2015, 06:48 PM
Replies: 185
Views: 12,150
Posted By Joe Bloggs
But PSNR isn't based on looks. It's based on the...

But PSNR isn't based on looks. It's based on the actual calculated difference (eg. in luma/chroma values). So I was thinking, for a given bitrate, if starting with 5120x2160 and you want to read both...
Forum: 2.35:1 Constant Image Height Chat   05-16-2015, 05:54 PM
Replies: 185
Views: 12,150
Posted By Joe Bloggs
Wouldn't it be possible - and possibly more...

Wouldn't it be possible - and possibly more efficient/simpler - to do add another stream - something like MVC for 3D, or scalable video coding for getting the anamorphic or 5120x2160 video. eg....
Forum: 2.35:1 Constant Image Height Chat   05-16-2015, 06:50 AM
Replies: 185
Views: 12,150
Posted By Joe Bloggs
Why? See above - all it needs is some...

Why? See above - all it needs is some player(s)/media/displays and at least one encoder that supports it. It's not like players/displays that don't support it won't be able to play the content (the...
Forum: 2.35:1 Constant Image Height Chat   05-16-2015, 05:16 AM
Replies: 185
Views: 12,150
Posted By Joe Bloggs
Do you have a link to where they say that? Maybe...

Do you have a link to where they say that? Maybe it's old/wrong info (unless it's just the output/cables ie. not actually part of the UHD BD spec. Or perhaps it could play other formats - those that...
Forum: Latest Industry News   05-15-2015, 05:15 PM
Replies: 813
Views: 40,336
Posted By Joe Bloggs
One thing that isn't clear about the UHD BD spec...

One thing that isn't clear about the UHD BD spec (maybe this should have gone in the other thread) is - is the 3 layer UHD disc 99 GB or 100 GB :) Some people are writing 99 and others 100. They say...
Forum: Latest Industry News   05-15-2015, 12:03 PM
Replies: 2,256
Views: 85,166
Posted By Joe Bloggs
If you want a good TV (at least an LED backlit...

If you want a good TV (at least an LED backlit with many local dimming zones - and aren't the only thing really better than that OLED TVs), aren't they always going to be at the higher price range...
Forum: Community News & Polls   05-14-2015, 09:48 PM
Replies: 101
Views: 3,284
Posted By Joe Bloggs
The poll is multiple choose. It was possible to...

The poll is multiple choose. It was possible to vote for both.
There's also OLED, like you mention later.
They're discontinuing the production of film cameras....
Forum: Latest Industry News   05-14-2015, 02:12 PM
Replies: 813
Views: 40,336
Posted By Joe Bloggs
Technically it can't be. ...

Technically it can't be.
http://discovermagazine.com/1993/jun/thevisionthingma227
Forum: Latest Industry News   05-13-2015, 11:00 PM
Replies: 813
Views: 40,336
Posted By Joe Bloggs
I think it would be easier for them to fit the...

I think it would be easier for them to fit the highest quality longer 3D films/programmes on disc. eg. Avatar extended edition 3D, the Hobbit films extended edition 3D (just over over 3 hours long...
Forum: Latest Industry News   05-12-2015, 07:09 PM
Replies: 813
Views: 40,336
Posted By Joe Bloggs
Well use said "Well, to be correct UHD Blu-ray...

Well use said "Well, to be correct UHD Blu-ray will feature the same 3D content as the original Blu-ray".Now you're saying it will it will be normal Blu-ray 3D that contains the content. Like I...
Forum: Latest Industry News   05-12-2015, 10:53 AM
Replies: 813
Views: 40,336
Posted By Joe Bloggs
How do you know? Do you have a source? I thought...

How do you know? Do you have a source? I thought they said UHD Blu-ray (the spec) doesn't support 3D at all (they haven't said it supports it at 1080p - other than playing back normal Blu-ray 3D...
Forum: Latest Industry News   05-09-2015, 05:27 PM
Replies: 813
Views: 40,336
Posted By Joe Bloggs
Though the digital cinema (DCI) format for "2K"...

Though the digital cinema (DCI) format for "2K" is also 1080 lines. But more width - ie. 2048x1080. But a cinema film is more likely to be a wider aspect ratio than a TV show. A cinema film done at...
Forum: Latest Industry News   05-09-2015, 04:30 PM
Replies: 784
Views: 39,412
Posted By Joe Bloggs
Yes, but it could affect the final result - in...

Yes, but it could affect the final result - in either a good or bad way, and could lead to either a higher or lower effective resolution final output. In theory (speed of editing aside), it's surely...
Forum: OLED Technology and Flat Panels General   05-06-2015, 06:35 AM
Replies: 83
Views: 2,006
Posted By Joe Bloggs
You can upscale it if you want to, but like I...

You can upscale it if you want to, but like I said, that won't necessarily be the same as what UHD TVs will output or the algorithms they use. I could give you a particular image and you could use...
Forum: Latest Industry News   05-04-2015, 09:25 PM
Replies: 59
Views: 5,508
Posted By Joe Bloggs
For a 2013 test, it seems in HD not "4K", they...

For a 2013 test, it seems in HD not "4K", they used a display from/modified by NHK to display 240 fps
https://tech.ebu.ch/docs/tech-i/ebu_tech-i_018.pdf (see page 16). Maybe a similar thing was done...
Forum: Latest Industry News   05-04-2015, 08:01 AM
Replies: 59
Views: 5,508
Posted By Joe Bloggs
Though that was with the limitation of film, and...

Though that was with the limitation of film, and mechanical shutters of the time, in the days before there was digital cinema (and also when costs of film would have been very high at >60 fps -...
Forum: Latest Industry News   05-04-2015, 07:37 AM
Replies: 59
Views: 5,508
Posted By Joe Bloggs
Yes it would be 1/240th of a second. 180 degree...

Yes it would be 1/240th of a second. 180 degree shutter=shutter "open" for half the time.

It may be. I'd like to see the various differences for myself. It might also differ for film content vs...
Forum: Latest Industry News   05-04-2015, 07:21 AM
Replies: 59
Views: 5,508
Posted By Joe Bloggs
I agree, and Ang Lee already is with Billy Lynn's...

I agree, and Ang Lee already is with Billy Lynn's Half Time Walk (2006). And Mr Trumbull has already shot his short in it. Though I hope that doesn't cost more patent-wise, with Mr Trumbull trying to...
Forum: OLED Technology and Flat Panels General   05-04-2015, 03:35 AM
Replies: 83
Views: 2,006
Posted By Joe Bloggs
DCI spec says 4096x2160 (page 31 of...

DCI spec says 4096x2160 (page 31 of http://dcimovies.com/specification/DCI_DCSS_v12_with_errata_2012-1010.pdf). Maybe 4096x2637 is what some digital cameras can record but it doesn't seem to be the...
Forum: OLED Technology and Flat Panels General   05-03-2015, 10:27 PM
Replies: 83
Views: 2,006
Posted By Joe Bloggs
Here's a test image to upscale to twice width &...

Here's a test image to upscale to twice width & height (perhaps it would look more accurate with a "nearest neighbour" type upscaling? But do any 2160p TVs do that?).
...
Forum: OLED Technology and Flat Panels General   05-03-2015, 09:09 PM
Replies: 83
Views: 2,006
Posted By Joe Bloggs
But depending on the algorithm, 1080p scaled to...

But depending on the algorithm, 1080p scaled to 2160p (including graphics intended for display at 1080p) may look worse/be less accurate/be more blurry - or at least will be changed. It's doubtful...
Forum: Latest Industry News   05-03-2015, 01:06 PM
Replies: 784
Views: 39,412
Posted By Joe Bloggs
There's also the fact that having 10 or 12 bit...

There's also the fact that having 10 or 12 bit should be easier than 8 since you shouldn't need to worry about banding (unless with 10 bit HDR).

I'm suggesting, if done properly (I mean...
Showing results 1 to 25 of 2715

 
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