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Search: Posts Made By: Joe Bloggs
Forum: Latest Industry News   07-01-2015, 03:14 PM
Replies: 840
Views: 42,063
Posted By Joe Bloggs
Technically he's saying the UHD Blu-ray specs...

Technically he's saying the UHD Blu-ray specs will be capped to 1000 nits not the tv specs. Though he says it can hold more - just that the specs will rule out more. Which is probably a good thing...
Forum: AVS Forum Articles   07-01-2015, 12:26 PM
Replies: 126
Views: 6,148
Posted By Joe Bloggs
I'm not saying there is a problem. I'm saying...

I'm not saying there is a problem. I'm saying there is a big noticable difference between 24 different frames per second (maximum of 1080p Blu-ray) and 60 different images per second (max of 1080i...
Forum: Latest Industry News   07-01-2015, 11:58 AM
Replies: 840
Views: 42,063
Posted By Joe Bloggs
I agree it would probably have been a good option...

I agree it would probably have been a good option (even at 1080p) though they might be right that at 2160p the added bitrate may have been an issue - and at the same bitrate using it could have...
Forum: AVS Forum Articles   06-30-2015, 08:45 PM
Replies: 126
Views: 6,148
Posted By Joe Bloggs
There should be a noticeable difference depending...

There should be a noticeable difference depending on how it is produced. If it's 1080i it's likely to be 25/30/50/60 images a second (I suppose it could also be 24 if stored with 3:2 pull-down but...
Forum: HDTV Technical   06-15-2015, 04:40 PM
Replies: 229
Views: 11,624
Posted By Joe Bloggs
But it's only 50 fps (under the rate of US 720p...

But it's only 50 fps (under the rate of US 720p sports channels, which are 60 (59.94) fps). Sky/others want at least 100 fps. They should make it at least 100 fps so it won't be out of date when UHD...
Forum: OLED Technology and Flat Panels General   06-15-2015, 12:19 AM
Replies: 793
Views: 58,981
Posted By Joe Bloggs
Though this is the "8K by 4K" thread (7680x4320 -...

Though this is the "8K by 4K" thread (7680x4320 - 4 times more pixels than a "4K" (3840x2160) TV). So the cameras won't be the best for 8K (7.68K) TVs/content. Though they could still upscale or do...
Forum: AVS Forum Articles   06-14-2015, 10:54 PM
Replies: 126
Views: 6,148
Posted By Joe Bloggs
Some of the BBC channels switch between 1080/50i...

Some of the BBC channels switch between 1080/50i and "1080p25" (so not true 1080p TV like 1080p50 or more would be) based on content (eg. BBC1 HD I think). I don't know of any UK OTA 720p channels...
Forum: OLED Technology and Flat Panels General   06-09-2015, 01:30 PM
Replies: 793
Views: 58,981
Posted By Joe Bloggs
Though they didn't have an 8K (or 7.68K) camera -...

Though they didn't have an 8K (or 7.68K) camera - most of it was 6K or 6.1K upscaled. With some shots shot in portrait mode and stitched together in After Effects.
...
Forum: AVS Forum Podcasts   06-08-2015, 07:42 PM
Replies: 16
Views: 917
Posted By Joe Bloggs
Wikipedia says "Modern graphics cards have direct...

Wikipedia says "Modern graphics cards have direct support for 3D LUTs, allowing entire HD images to be processed at 60 fps or faster.". Don't (at least some) HDTVs also have GPUs? Vizio says they...
Forum: Latest Industry News   06-08-2015, 03:38 PM
Replies: 820
Views: 41,541
Posted By Joe Bloggs
It won't be 60 fps. There's no 1080p60 in the...

It won't be 60 fps. There's no 1080p60 in the current Blu-ray specs - though there's 720p60. It will be 1080i or 1080p24 (unless lower res). I agree that extras at higher fps will be better - and...
Forum: Community News & Polls   06-08-2015, 10:50 AM
Replies: 105
Views: 3,596
Posted By Joe Bloggs
Spatial interpolation is upconverting (eg. from...

Spatial interpolation is upconverting (eg. from 1080p to 2160p). Temporal interpolation (eg. from 24/30 to 60 fps) would also be upconverting (yes it would probably have artefacts, especially from 24...
Forum: OLED Technology and Flat Panels General   06-04-2015, 05:38 PM
Replies: 793
Views: 58,981
Posted By Joe Bloggs
At least it really has 10K worth of pixels across...

At least it really has 10K worth of pixels across (10,240), unlike "8K" which only has 7.68K really. Though for pixels in height it's no more than the "8K"s - ie. it's still only 4320p since it's...
Forum: HDTV Technical   05-29-2015, 10:36 PM
Replies: 229
Views: 11,624
Posted By Joe Bloggs
That's not really a good idea. A future TV...

That's not really a good idea. A future TV standard is likely to need more TV spectrum, not less, especially if it's higher resolution(2160p or 4320p), hdr,hfr (>=120), higher bitrate, 10/12 bit,...
Forum: Latest Industry News   05-28-2015, 02:34 PM
Replies: 820
Views: 41,541
Posted By Joe Bloggs
Thanks. Though technically isn't the metadata...

Thanks. Though technically isn't the metadata taking up bits - per encoded frame? Extra data (bits) to make up the additional colour/brightness info. So in theory, isn't the total amount of bits used...
Forum: Latest Industry News   05-28-2015, 12:58 PM
Replies: 820
Views: 41,541
Posted By Joe Bloggs
What about the optional (around 3?) HDR formats...

What about the optional (around 3?) HDR formats the UHD BD spec allows (eg. Dolby, Philips?). Are they all 10 bit or are any of them higher - like 12?
Forum: 2.35:1 Constant Image Height Chat   05-19-2015, 07:03 AM
Replies: 188
Views: 12,539
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: 188
Views: 12,539
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: 5,365
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: 188
Views: 12,539
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: 188
Views: 12,539
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: 188
Views: 12,539
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: 188
Views: 12,539
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: 840
Views: 42,063
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: 2,262
Views: 86,326
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: 105
Views: 3,596
Posted By Joe Bloggs
The poll is multiple choice. It was possible to...

The poll is multiple choice. It was possible to vote for both.
There's also OLED, like you mention later.
They're discontinuing the production of film cameras....
Showing results 1 to 25 of 2730

 
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