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Old 16th May 2019, 21:29   #56261  |  Link
ryrynz
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What sort of question is that? Take it or leave it.
Change chroma or drop back a notch if 24ms is "too high" for you.
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Old 16th May 2019, 21:30   #56262  |  Link
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Quote:
Originally Posted by Siso View Post
NGU High is good, but does it really need the ~24 ms rendering time on my card...
If you're on the small screen yes, because you're really close.

On 1080 to 4K from 5 feet w/ a 40-60 inch, it's very hard to tell between Nearest and NGU (highest), Nearly impossible to tell between NGU and Lanc
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Old 16th May 2019, 21:31   #56263  |  Link
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Originally Posted by ryrynz View Post
What sort of question is that? Take it or leave it.
Change chroma or drop back a notch if 24ms is "too high" for you.
I think he means, is the visual improvement worth the Processing Effort.
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Old 16th May 2019, 21:34   #56264  |  Link
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I've not seen one comment on here protesting it ever.
It's his decision to make is he seriously just ticking things and saying "is this good?" He's been on this forum for quite a while.. Anyone would think this was a new account.
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Old 16th May 2019, 21:57   #56265  |  Link
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Quote:
Originally Posted by ryrynz View Post
I've not seen one comment on here protesting it ever.
It's his decision to make is he seriously just ticking things and saying "is this good?" He's been on this forum for quite a while.. Anyone would think this was a new account.
I see nothing wrong asking other forum members for their opinion.
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Old 16th May 2019, 22:07   #56266  |  Link
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Originally Posted by Siso View Post
I kinda like NGU Standart, NGU Sharp seems kinda artificial to me
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Old 16th May 2019, 22:10   #56267  |  Link
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I did some more testing and I stopped on NGU Sharp.
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Old 16th May 2019, 23:45   #56268  |  Link
Warner306
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Originally Posted by tp4tissue View Post
I'm a huge NGU fan.

For < 1080p files, NGU makes a huge difference even at a distance.

For >= 1080p files, If you're sitting < 5 feet from the monitor/ tv . NGU still looks sharper.

However, for > 5 feet, It's almost impossible to tell NGU vs Nearest neighbor (1080 to 4K) unless you're running a test pattern.

And I tested myself for NGU vs Lanc (1080 to 4K) @ 5 feet, I got it wrong 50% of the time, So I definitely can not tell at that distance for 1080p files. ESPECIALLY for moving image,

Overall, my point is, DO consider being green when possible. Lanc looks very good at 5+ feet.
This chart appears to be fairly reliable and is probably a good guide for perceived resolution:

Resolution: Screen Size vs. Viewing Distance
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Old 17th May 2019, 05:48   #56269  |  Link
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Originally Posted by Warner306 View Post
This chart appears to be fairly reliable and is probably a good guide for perceived resolution:

Resolution: Screen Size vs. Viewing Distance
My test was for difference between NGU Lanc and Nearest @ Greater or Less than 5 feet.

Where with a 1080p file, expensive upscaling is a bit wasteful.


As for choice of Movie Resolution. 4K is ALWAYS better than 1080p at ANY Distances due to 4:2:0. it's the only way to get 1080p chroma.
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Old 17th May 2019, 13:03   #56270  |  Link
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Things are different with a projector-sized screen. Projector owners see a lot of benefit with 1080p -> 4K upscaling.
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Old 17th May 2019, 13:08   #56271  |  Link
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well yea, projected is usually much larger, and bigger pixels.

Although from what I've seen of NON-native 4K projectors, the pixel shifting has an effect similar to analog upscaling (scanning), In that case, I'd say again NGU may not be so necessary, since it's not producing the intended NGU output anyway.

For most TV sizes/ distances, its' ok to go Green.
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Old 17th May 2019, 13:15   #56272  |  Link
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Yes, you'd want a native 4K projector if you placed a premium on upscaling. Even then, many are using very high settings for image upscaling and derive a lot more visual improvement than say a 55" 4K TV.
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Old 18th May 2019, 11:29   #56273  |  Link
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Sorry for the question, but what Nvidia driver versione is better?
I ve a 1050ti
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Old 18th May 2019, 12:24   #56274  |  Link
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Bl4ze87

https://forum.doom9.org/showthread.php?t=176013
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Old 19th May 2019, 03:41   #56275  |  Link
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Anyone have any suggestions for this issue?

I am not sure where to ask it, but I think it's probably a Windows or maybe NVidia thing?

I set up a HTPC for a friend, but for some reason, whenever a video opens or closes (Like starting a video in MPC-HC or then closing MP-HC itself) it causes his display to have to re-acquire it's signal.

This is pretty annoying as he has an older JVC (RS600) with a near 20-second sync time.

Now, I am completely familiar with refresh rate switching and such, but I have all of that completely disabled. I have the HTPC set for 3840x2160 23Hz RGB 12-bit (tried 8-bit as well). Refresh rate switching is disabled in madVR and disabled in MPC-HC.

Any ideas of how I can have it so that the JVC doesn't need to re-sync every time I open and close a video?
Well, I figured out the screen re-sync issue.

It was a combination of software and hardware.

It happened when using in madVR calibration tab "Report BT2020 to display" enabled and when sending the video through a Marantz 8802.

If we send the video to the JVC RS600 directly, it never blanks with "Report BT2020 to display" enabled, or if we send the video through the Marantz 8802 with "Report BT2020 to display" disabled it also never blanks.

But send "Report BT2020 to display" enabled into the Marantz and it blanks every time opening and closing a video through madVR.

Weird!
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Old 19th May 2019, 08:02   #56276  |  Link
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Well, I figured out the screen re-sync issue.
I also have that option enabled and send my signal through a Marantz SR6010, but I don't have that issue, also use an RX2070 (latest driver)

So double weird :-)
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Old 19th May 2019, 15:56   #56277  |  Link
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Well, I figured out the screen re-sync issue.
Is your Marantz set to HDMI enhanced in the HDMI config? Otherwise it reduces your bandwidth to 10Gb/s for compatibility.

I have an X8500H and HDMI Enhanced needs to be enabled to enable the full 18Gb/s bandwidth.

If you don't enable BT2020 when using 12bits, the native gamut isn't selected and your calibration is all wonky.

It needs to be enable in 12bits to get the correct gamut in SDR BT2020.

Not a problem with 8bits.
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Old 20th May 2019, 16:26   #56278  |  Link
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Originally Posted by Manni View Post
Is your Marantz set to HDMI enhanced in the HDMI config? Otherwise it reduces your bandwidth to 10Gb/s for compatibility.

I have an X8500H and HDMI Enhanced needs to be enabled to enable the full 18Gb/s bandwidth.

If you don't enable BT2020 when using 12bits, the native gamut isn't selected and your calibration is all wonky.

It needs to be enable in 12bits to get the correct gamut in SDR BT2020.

Not a problem with 8bits.
It is set to Enhanced.

Also, to solve the problem we ended up just outputting 2 cables from the HTPC. One is run straight to the JVC for video, and the other is run straight to the Marantz for audio. Lip sync is then set manually to line up correctly.

This way we can have "Report BT2020" enabled without any issues, because we are using 2160p 23Hz 12-bit RGB on the RS600.

Last edited by SirMaster; 20th May 2019 at 16:34.
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Old 20th May 2019, 16:28   #56279  |  Link
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It is set to Enhanced.

Also, to solve the problem we ended up just outputting 2 cables from the HTPC. One is run straight to the JVC for video, and the other is run straight to the Marantz for audio. Lip sync is then set manually to line up correctly.

This way we can have "Report BT2020" enabled without and issues, because we are using 2160p 23Hz 12-bit RGB on the RS600.
As you know, using 12bits on the JVCs isn't recommended because it forces to YCC422 behind the renderer's back.

Worth trying 8bits and see if you still have these issues. You won't get any banding (if madVR is set to 8bits dithering) and you'll get better chroma.
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Old 20th May 2019, 16:48   #56280  |  Link
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As you know, using 12bits on the JVCs isn't recommended because it forces to YCC422 behind the renderer's back.

Worth trying 8bits and see if you still have these issues. You won't get any banding (if madVR is set to 8bits dithering) and you'll get better chroma.
Yes, but again this is a friends HT that I am configuring and it's an RS600, so 12-bit RGB works fine.

Yes on my own HT with my NX5 of course I use 8-bit with madVR error diffusion dithering and I don't need the report BT2020. But it also does not cause re-sync through my Denon X4200W anyways for if JVC does ever fix 12-bit.
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