Netflix streaming quality - Page 233 - AVS Forum
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post #6961 of 6971 Old 01-12-2015, 12:37 PM
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Yup, you can put 4 1920x1080 images in the 4K bitmap.
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post #6962 of 6971 Old 01-12-2015, 02:35 PM
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Sorry guys, my bad, I was thinking in terms of 2160 only. I think I need to lay off my Sunday dinner aperitif. I edited my post. Now, can we get back to streaming?


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post #6963 of 6971 Old 01-12-2015, 03:11 PM
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Originally Posted by mailiang View Post
Sorry guys, my bad, I was thinking in terms of 2160 only. I think I need to lay off my Sunday dinner aperitif. I edited my post. Now, can we get back to streaming?


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I thought this was now the new 4K / UHD thread .. .. 4K is the New Black

I'll get back on point .. speaking as a Photographer, "Marco Polo" was flat out gorgeous .. very lush, great color and contrast and not a single hiccup when I watched it over a weeks time ..
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post #6964 of 6971 Old 01-13-2015, 11:48 AM
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Originally Posted by michaeltscott View Post
Four times the number of pixels is four times the resolution, or at least so we used to think back when I worked on computer graphics software; of course, we could have been technically wrong. People say that 1080x1920 is twice the resolution of 720x1280, being slightly more than twice as many pixels. In any case, whether you consider it to be four times the resolution or twice the resolution, it is four times as many pixels, which is something that Joe Average can understand; the image is made up of eight million resolvable elements rather than 2 million in a 1080x1920 image.
In video land it used to be referred to as horizontal or vertical resolution. Hence you will see twice (not four) as many fence post with a UHD (3840) camera as compared to a HD (1920) camera . Some test patterns here.

As to 3840 vs 4096, my unit is a true 4K (4096) device so I would be happy with either one as a source .
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post #6965 of 6971 Old 01-13-2015, 12:10 PM
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Originally Posted by Wendell R. Breland View Post
As to 3840 vs 4096, my unit is a true 4K (4096) device so I would be happy with either one as a source .

What happens on conversion of 2160x4096 to 2160x3840? Is a 128 pixel strip cropped from either side or is some minor distortion introduced by squeezing it to fit?

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post #6966 of 6971 Old 01-13-2015, 01:23 PM
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Originally Posted by michaeltscott View Post
What happens on conversion of 2160x4096 to 2160x3840? Is a 128 pixel strip cropped from either side or is some minor distortion introduced by squeezing it to fit?
I would have to refer to the manual to see if it would do that. It is a true 2160x4096 display device so there really is no need for the conversion.

For the inverse situation, 2160x3840 to 2160x4096, it can do that by scaling. It appears most use it (Sony VPL-VW600ES) in 2160x3840 mode because most sources are 1920 (1 to 2 pixel map) or 3840 (1 to 1). Because the unit has power zoom, lens shift and focus makes it fairly easy to accommodate various formats. It has 5 memories to store a combo of these settings. Not sure any user is using in 1.9 mode, most of us use it in 1.78 mode.
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post #6967 of 6971 Old 01-14-2015, 05:46 PM
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Sorry - couldn't resist.....

Netflix: High Dynamic Range is 'more important' than 4K

http://www.telegraph.co.uk/technolog...t-than-4K.html

(I think that's OK for a Netflix quality thread )
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post #6968 of 6971 Old 01-14-2015, 06:42 PM
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Originally Posted by undecided View Post
I have never heard anyone call Consumer 1080P '2K'...

Case in point :

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Originally Posted by undecided View Post
Netflix: High Dynamic Range is 'more important' than 4K

http://www.telegraph.co.uk/technolog...t-than-4K.html

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post #6969 of 6971 Old 01-17-2015, 01:24 AM
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Originally Posted by michaeltscott View Post
Case in point :
Well you are right - kind of strange why they call 1080P 2K. I was suspecting you might call me on it

However the main point was Neil Hunt, chief product officer at Netflix was saying 'High Dynamic Range is more important' than 4K'

Last edited by undecided; 01-17-2015 at 01:30 AM.
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post #6970 of 6971 Old 01-17-2015, 02:23 AM
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Well you are right - kind of strange why they call 1080P 2K.

As corollary to "4K"; I don't think that anyone called 1080x1920 res "2K" before they started calling 2160x3840 res "4K". But the term is just about as recognizable to Joe Average or your BB salesman as 2160p .

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post #6971 of 6971 Unread Today, 07:35 PM
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Since this thread lost topic and turned into a 4K discussion I want to get it back on topic.

For the first time in months I am having streaming issues. I was watching something on the PS4 and the PQ turned to 240p SD Mud still can't believe they keep that crap bit rate. Also watching something after on the Fire TV it buffered during the program very quickly though and stayed in HD. I checked Down right now and it is showing a outage. I can't check social media too much vulgarity on there so I wonder if others are having issues. It might not be my connection as down right now shows issues.

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