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Search: Posts Made By: Joe Bloggs
Forum: Community Articles   08-28-2015, 10:13 AM
Replies: 1
Views: 21
Posted By Joe Bloggs
Ultra HD or "4K" (actually 3840 is less than 4000...

Ultra HD or "4K" (actually 3840 is less than 4000 so it's not really 4K) refer to resolutions (though UHD-1 and UHD-2 or the 3 UHD Phases refer to other parameters, like frame rate, bit depth, hdr...
Forum: AVS Forum Podcasts   08-21-2015, 07:06 AM
Replies: 28
Views: 1,108
Posted By Joe Bloggs
Did they say it was nearly impossible when...

Did they say it was nearly impossible when watching 2K 4:2:0 content upscaled to 4K vs 2K 4:4:4 upscaled to 4K, at a viewing distance where you can see the full benefit of a "4K" display (I suppose...
Forum: Latest Industry News   08-20-2015, 10:16 AM
Replies: 919
Views: 46,419
Posted By Joe Bloggs
Confusing :confused:. Graphics cards seem good...

Confusing :confused:. Graphics cards seem good enough, plus the processor. I assume the ram and hard disc isn't an issue (and that it's not fragmented - though maybe you'd be better with a faster...
Forum: AVS Forum Podcasts   08-20-2015, 09:19 AM
Replies: 28
Views: 1,108
Posted By Joe Bloggs
I'm saying that if the content was upscaled from...

I'm saying that if the content was upscaled from 2K 4:2:2 (or 4:4:4) of the original master to 3840x2160 4:2:0 for UHD BD discs, those watching on "4K" (really 3840x2160) displays will get better...
Forum: AVS Forum Podcasts   08-20-2015, 09:06 AM
Replies: 28
Views: 1,108
Posted By Joe Bloggs
But there's also a benefit to those viewing on...

But there's also a benefit to those viewing on UHD displays (bitrate permitting), since they should also get better chroma subsampling from the 2K (4:2:2 or better) source if it is mastered on UHD BD...
Forum: AVS Forum Podcasts   08-20-2015, 08:48 AM
Replies: 28
Views: 1,108
Posted By Joe Bloggs
I agree that they should be honest about what it...

I agree that they should be honest about what it was mastered from (eg. 2K or 4K). But if the master was 2K 4:2:2 (or 4:4:4) and you're encoding it at 1920x1080 4:2:0. you're not encoding the native...
Forum: Latest Industry News   08-20-2015, 05:46 AM
Replies: 919
Views: 46,419
Posted By Joe Bloggs
Have you tried on a modern PC with a (good) 4K...

Have you tried on a modern PC with a (good) 4K capable graphics card? Surely the bandwidth should be no problem for the hard disc (or SSD). It probably takes more processing power for H265 (HEVC)...
Forum: Latest Industry News   08-19-2015, 03:19 PM
Replies: 919
Views: 46,419
Posted By Joe Bloggs
Though when he/they say "blacks are blacker" or...

Though when he/they say "blacks are blacker" or "blacks are better" with HDR, I think they're not just talking about the single colour black (eg. RGB 0,0,0 - or RGB 16,16,16?), but those close to...
Forum: HDTV Software Media Discussion   08-14-2015, 02:54 PM
Replies: 123
Views: 6,334
Posted By Joe Bloggs
Well the Hobbits were shot in 5K (yes I know the...

Well the Hobbits were shot in 5K (yes I know the DI was 2K but...) and Ang Lee's new film is being shot in 4K 120 fps 3D apparently (whether it will be able to be shown that way in more than a couple...
Forum: HDTV Software Media Discussion   08-14-2015, 12:48 PM
Replies: 123
Views: 6,334
Posted By Joe Bloggs
For creating the new type of digital copy/export...

For creating the new type of digital copy/export http://www.blu-raydisc.com/Assets/Downloadablefile/BD-ROM_CMPExport_V1.1_WhitePaper_150804%5B1%5D.pdf
that says it gets authorization from a CMP...
Forum: HDTV Software Media Discussion   08-14-2015, 12:09 PM
Replies: 123
Views: 6,334
Posted By Joe Bloggs
This is the link:...

This is the link: http://www.blu-raydisc.com/assets/Downloadablefile/BD-ROM_Part3_V3.0_WhitePaper_150724.pdf

There are two related ones about the physical disc format...
Forum: HDTV Software Media Discussion   08-14-2015, 11:56 AM
Replies: 123
Views: 6,334
Posted By Joe Bloggs
Thanks. The actual UHD Blu-ray public spec...

Thanks. The actual UHD Blu-ray public spec document (maybe not full spec but what they're showing on the site) has now been published at http://www.blu-raydisc.com/ in the Technical section (eg. BD...
Forum: OLED Technology and Flat Panels General   08-13-2015, 03:46 PM
Replies: 72
Views: 7,096
Posted By Joe Bloggs
But what is (3840x2160)/(1920x1080) since a TV...

But what is (3840x2160)/(1920x1080) since a TV doesn't have just one dimension?

Also, how much (total) resolution would a 5120x2160p TV be compared to a 3840x2160p TV? Is a 5120x2160p TV exactly...
Forum: OLED Technology and Flat Panels General   08-12-2015, 07:30 AM
Replies: 72
Views: 7,096
Posted By Joe Bloggs
The thread isn't about perceived sharpness. The...

The thread isn't about perceived sharpness. The original poster didn't ask the above. It's about how much resolution a "4K" (3.84K) display is actually displaying (or could display) compared to a...
Forum: OLED Technology and Flat Panels General   08-12-2015, 05:20 AM
Replies: 72
Views: 7,096
Posted By Joe Bloggs
If you had a 200x100 pixel display - which could...

If you had a 200x100 pixel display - which could be a 2:1 pixel aspect ratio or it could (in theory) be a display with square pixels but with quite big gaps pixels on one axis. If you take the total...
Forum: Latest Industry News   08-09-2015, 11:05 PM
Replies: 886
Views: 45,663
Posted By Joe Bloggs
Wouldn't it be around 1 terabyte (a tiny bit over...

Wouldn't it be around 1 terabyte (a tiny bit over 1 terabyte for 1920x1080 at 23.976 fps stored as uncompressed, 3 bytes per pixel) - ie. about 1000.1268 GB?
Forum: Latest Industry News   08-07-2015, 08:58 AM
Replies: 886
Views: 45,663
Posted By Joe Bloggs
Really you probably need at least that - unless...

Really you probably need at least that - unless you are okay with judder/strobing.

In reality, especially for the higher resolutions, like 4K or 8K, for accuracy, you are going to need more than...
Forum: Latest Industry News   08-06-2015, 10:37 PM
Replies: 886
Views: 45,663
Posted By Joe Bloggs
Yes it does. Unless you are only talking about...

Yes it does. Unless you are only talking about judder as in uneven pull-down judder and if that doesn't give you it. Judder meaning strobe-like/choppy motion does increase with a faster (shorter...
Forum: Latest Industry News   08-06-2015, 12:21 PM
Replies: 886
Views: 45,663
Posted By Joe Bloggs
There is a need for 120 fps if you want the blur...

There is a need for 120 fps if you want the blur reduced without introducing gaps in the motion. Reducing the capture time per frame (ie. a faster shutter) will lead to more judder/strobing. Keeping...
Forum: Latest Industry News   08-06-2015, 12:45 AM
Replies: 886
Views: 45,663
Posted By Joe Bloggs
I've created a couple of .gifs (probably bad...

I've created a couple of .gifs (probably bad quality but it shows what I'm talking about - and the problems with line doubling / "bob de-interlacing"). I've created them with slower frame rates than...
Forum: Latest Industry News   08-05-2015, 10:55 PM
Replies: 886
Views: 45,663
Posted By Joe Bloggs
You might have been but the article doesn't make...

You might have been but the article doesn't make this clear. In max frame rate it's still no better, but yes at the max res it's now 60, but really you need more than 60. 720p TV has 60 fps - and...
Forum: Latest Industry News   08-05-2015, 10:39 PM
Replies: 886
Views: 45,663
Posted By Joe Bloggs
So it's still no more than double - whereas the...

So it's still no more than double - whereas the article was saying "more than double the Blu-ray specs". Which it isn't.
Yet there was a 60 fps 720p in the Blu-ray spec, so frames per second-wise,...
Forum: Latest Industry News   08-05-2015, 07:41 PM
Replies: 886
Views: 45,663
Posted By Joe Bloggs
Though they still don't specify exactly when...

Though they still don't specify exactly when players/discs will be released. But it may not be long now till they say when.

Though that isn't a very clear article - it says "3,840 x 2,160 pixel...
Forum: AVS Forum Podcasts   08-02-2015, 01:46 PM
Replies: 109
Views: 2,607
Posted By Joe Bloggs
I was talking at least about the European...

I was talking at least about the European Broadcasters (BBC, EBU, maybe France, etc. probably Sky too if the TVs could do it), but also people like the ITU have things like 120 fps in the Rec 2020...
Forum: AVS Forum Podcasts   07-31-2015, 11:30 PM
Replies: 109
Views: 2,607
Posted By Joe Bloggs
It's still stopping it getting displayed in it's...

It's still stopping it getting displayed in it's original format (eg. if they can't do 120 fps 4K or 60 fps 4K) - which will stop a lot of people working with it. Even if they were going to use...
Showing results 1 to 25 of 2793

 
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