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Old 24th October 2020, 04:27   #60401  |  Link
QBhd
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I am a fan of NGU sharp for everything... this really boils down to personal preference...

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Old 24th October 2020, 04:42   #60402  |  Link
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I am a fan of NGU sharp for everything... this really boils down to personal preference...

QB
Are the medium settings between the different NGU's the same stress on the GPU?

E.g. is NGU Anti-aliasing Medium going to pull the same amount of GPU power as NGU Sharp Medium? Given that all the other settings under are set to 'let madvr decide'.

Or is one more intense than another?
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Old 24th October 2020, 06:27   #60403  |  Link
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They are the same.

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What are your reasons for: "However, I recommend leaving "don't rerender frame when fade in/out is detected" and "scale chroma separately, if it saves performance" enabled."
fade in/out deletes a bunch (5) rendered frames from the queue and rerenders them as fast as possible. This often causes glitches.

Scale chroma separately is good because it isn't really lower quality and can save a huge amount of performance, especially when watching 4K at <4K or 8K at 4K.

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Which NGU should I choose?
I am a big fan of NGU AA. I always use NGU AA for chroma myself and often use NGU AA for everything. NGU Sharp is also nice and which I think looks best seems to depend on both the source and screen. NGU AA always looks good and while the extra sharpness from NGU Sharp is usually very nice I do notice it look unnatural with some sources.

I think if your pixels are totally invisible the downsides of NGU Sharp are less noticeable while if your pixels are pretty big NGU AA has a more natural look. I am not sure how others feel about this rule of thumb though, it does seem to be mostly preference. Most people do gravitate to NGU AA or NGU Sharp though.
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Old 24th October 2020, 12:27   #60404  |  Link
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I'm firmly in the ngu AA chroma ngu sharp luma camp myself. Everything I watch is either native 4k or upscaled to 4k. I've not seen too many issues with sharp being overcooked thankfully.

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Old 24th October 2020, 16:30   #60405  |  Link
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Ok, updated and played around - landed at:

Chroma - NGU AA HIGH

Luma - NGU Sharp HIGH

The high mark is pushing it for me. Almost completely saturating my GTX 1650 Super. Chroma with Sharp High peaked at 96%, Chroma with AA High peaked at 92%.

I watched the end of avenger endgame as a test - with so much non stop action and SO many characters on the screen at one time, I figured it was a good test to see if there were any lags created by the video card working so hard.

Played through that scene with no officially frame drops or glitches, and no visible micro stutters! So it looks like I have found the theoretical MAX for my system. And at least I know I can drop those NGU's down to medium if I do run into a video that has lag/chop to it.
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Old 24th October 2020, 21:09   #60406  |  Link
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I wouldn't use NGU High for chroma.
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Old 24th October 2020, 21:12   #60407  |  Link
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I like NGU AA high for chroma..

But I would drop chroma to medium before changing luma.
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Old 24th October 2020, 21:35   #60408  |  Link
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I'm with Asmodian. I use NGU AA High for chroma, as well. Well, depending on the profile. My 2070 doesn't like it for 720p upscaling. But for 1080p and 4K, definitely.
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Old 24th October 2020, 21:59   #60409  |  Link
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Thank you for the input! I will change Chroma down to medium first if I run into a file with lag or problems.

As for HDR - the peak NITS setting is defaulted at 200. Should I set this to match the peak output of the projector? Which is roughly 125 at the distance I have it?
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Old 24th October 2020, 22:36   #60410  |  Link
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Theoretically yes, but feel free to use it to adjust the midrange brightness. Lower is brighter but will have less highlight detail.
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Old 24th October 2020, 23:14   #60411  |  Link
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I have noticed that the choice of upscaling for chroma affects the saturation very slightly, so maybe that's the reason why NGU AA looks more natural, because it doesn't look very saturated, but I think that using it the result is less saturated than the source. The differences are minimal anyway, and the end result will obviously still depend on the saturation settings.

@ LordX2

Yes, start testing with 125, but I think that projectors sometimes need values below 100, the latest betas allow them.
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Old 24th October 2020, 23:37   #60412  |  Link
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I wouldn't use NGU High for chroma.
LOL... for my 1080p==>4k I use Very High :P

It does drop down to High for 4K content though

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Old 25th October 2020, 01:16   #60413  |  Link
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Anyone have an explanation as to why times increase by 2-4ms when switching from 112b to 113? Went back and forth several times, always with the same result. No settings were changed. Also switched decoders, to see if that made any difference. Nope. AVC/SDR went up by 4ms, and HEVC/HDR by 2. If I remember correctly, Mathias said 113 would increase performance, if anything. He probably meant with tone-mapping only, but even so, why would performance overall take a hit like that?
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Old 25th October 2020, 01:29   #60414  |  Link
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Quote:
Originally Posted by Alexkral View Post
I have noticed that the choice of upscaling for chroma affects the saturation very slightly, so maybe that's the reason why NGU AA looks more natural, because it doesn't look very saturated, but I think that using it the result is less saturated than the source. The differences are minimal anyway, and the end result will obviously still depend on the saturation settings.

@ LordX2

Yes, start testing with 125, but I think that projectors sometimes need values below 100, the latest betas allow them.
Where would I adjust saturation settings? And should I?

I just watched the original Harry Potter movie with the kids, and there were some scenes (especially the outdoor/bright scenes) that looked really saturated.

It was the 4K Remux, but I still have to wonder how much of it is the actual source/encode vs my own settings.
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Old 25th October 2020, 01:55   #60415  |  Link
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Where would I adjust saturation settings? And should I?
No, I don't think you should make any changes to your saturation settings related to what I said.
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Old 25th October 2020, 02:02   #60416  |  Link
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Anyone have an explanation as to why times increase by 2-4ms when switching from 112b to 113? Went back and forth several times, always with the same result. No settings were changed. Also switched decoders, to see if that made any difference. Nope. AVC/SDR went up by 4ms, and HEVC/HDR by 2. If I remember correctly, Mathias said 113 would increase performance, if anything. He probably meant with tone-mapping only, but even so, why would performance overall take a hit like that?
It doesn't. It's actually reporting more accurately in 113. It is better performing even though the reporting shows a more accurate picture than older builds.
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Old 25th October 2020, 02:04   #60417  |  Link
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@LordX2 are you using the HDR test builds? That information is key in helping you because a *LOT* has changed between the last official build and those test builds.
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Old 25th October 2020, 02:31   #60418  |  Link
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Thanks! Now I remember madshi said that. See, that's what happens when it's been almost a year since the last build
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Old 25th October 2020, 02:35   #60419  |  Link
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I know, right! I am hoping he can kick the Envy out of the nest and work on that build he said was "coming soon" a few months ago. LMAO
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Old 25th October 2020, 03:07   #60420  |  Link
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@LordX2 are you using the HDR test builds? That information is key in helping you because a *LOT* has changed between the last official build and those test builds.
Using 92.17 - its what came up at the top of the page. Is that way out of date or current?
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