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Old 23rd January 2019, 04:23   #54401  |  Link
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Is the banding only with LG and Nvidia, or 12bit in general..

AMD using dxva2 native has massive banding for me, copy back fixes the banding. (RX 580)
I've never had the chance to test with an AMD GPU, but I'm assuming the issue is with the display and 12-bit input in general.
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Old 23rd January 2019, 04:35   #54402  |  Link
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Considering a used 1070 or 1080 right now.

Is the additional power much greater than a 1060, (FOR MADVR, I don't play games.)

I already own a 1060 for the kitchen pc.

1060 priced ~$160 used
1070 ~$250
1080 ~$400


What extra performance setting (MADVR) can be reached by the 1070/ 1080..
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Old 23rd January 2019, 04:49   #54403  |  Link
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Up to about 100W depending on how you push it. I use a 460W with no issues on an overlocked 1080 with Ryzen 1700/16GB.
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Old 23rd January 2019, 04:56   #54404  |  Link
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Up to about 100W depending on how you push it. I use a 460W with no issues on an overlocked 1080 with Ryzen 1700/16GB.
Hahaha.. No I mean't MADVR performance.. Cranking up settings ..

What can a 1070/1080 crank up that a 1060 could not.
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Old 23rd January 2019, 05:03   #54405  |  Link
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HDR and luma/chroma NGU, you get a quieter card for content that doesn't need a lot of work.
I use a Full HD screen so it's all NGU up and SSIM2D down for me. I barely bother with additional sharpening.
Basically just ratcheting up the settings a notch over what you already got.. My 1080 was a nice upgrade over my 1060 6GB.. and I only use it for madVR at this stage.
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Old 23rd January 2019, 06:19   #54406  |  Link
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I use a Full HD screen so it's all NGU up and SSIM2D down for me. I barely bother with additional sharpening.
I'm using gtx 1060 on FHD also. What chroma are you using? And what actually does activate SuperRes filter on chroma upscaling ? I select it on Jinc and it doesn't cost much on performance, maybe 2ms.
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Old 23rd January 2019, 09:11   #54407  |  Link
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I went with NGU AA medium/High depending on what profile activated.

Super Res is is an image enhancement algorithm which does the following.

Calculate an initial guess (using a different upscaler)
Downscale and calculate differences with original image.
Scale those differences to the final size
Improve guess by:
Softening the image
Subtracting differences with the original image
Sharpening (optional)
Removing aliasing (optional)
Removing ringing (optional)
Repeat steps 2-4 several times.

Judge for yourself if you like the results, I've never felt I've required it, especially for chroma.
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Old 23rd January 2019, 09:19   #54408  |  Link
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I'm pretty sure that most if not all users thought Super Res was detrimental when used with NGU. Correct me if I'm wrong please...

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Old 23rd January 2019, 11:00   #54409  |  Link
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Quote:
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I'm pretty sure that most if not all users thought Super Res was detrimental when used with NGU. Correct me if I'm wrong please...
Since we are here, can I ask you guys what settings (luma, chroma, enhancement, etc) you use to double 1080p / 720p content? Thanks
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Old 23rd January 2019, 11:27   #54410  |  Link
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I'm pretty sure that most if not all users thought Super Res was detrimental when used with NGU. Correct me if I'm wrong please...
Most users don't use it, can't say I ever would either. Not required IMO.
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Old 23rd January 2019, 13:30   #54411  |  Link
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I went with NGU AA medium/High depending on what profile activated.

Super Res is is an image enhancement algorithm which does the following.
Thank you for infos. With NGU it looks not good, but I'll compare between Jinc with and NGU without it.
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Old 23rd January 2019, 13:34   #54412  |  Link
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Please do your research into chroma before saying it's "not good" the standard and AA variants of NGU are known to be the best chroma upscalers along side Jinc and a few others. Your preference may be sharp scalers.. Personally I prefer natural results.
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Old 23rd January 2019, 13:49   #54413  |  Link
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Please do your research into chroma before saying it's "not good" the standard and AA variants of NGU are known to be the best chroma upscalers along side Jinc and a few others. Your preference may be sharp scalers.. Personally I prefer natural results.
What I mean is that using SuperRes with NGU does not look good. I just want to compare SuperRes with Jinc chroma and the NGU chroma (AA or Sharp).
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Old 23rd January 2019, 14:13   #54414  |  Link
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it is highly recommended to not use super res with NGU. it's just how these filter work they don't like each other.
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Old 23rd January 2019, 14:57   #54415  |  Link
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WHICH Nvidia Driver is the Recommended, that Madshi is developing on ??
There are dozens of drivers that "work." Avoid any that don't work for your needs.
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Old 23rd January 2019, 14:58   #54416  |  Link
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Originally Posted by tp4tissue View Post
Considering a used 1070 or 1080 right now.

Is the additional power much greater than a 1060, (FOR MADVR, I don't play games.)

I already own a 1060 for the kitchen pc.

1060 priced ~$160 used
1070 ~$250
1080 ~$400


What extra performance setting (MADVR) can be reached by the 1070/ 1080..
I would only bother if you are using the HDR -> SDR tone mapping. A 1070 or better can help there.
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Old 23rd January 2019, 15:23   #54417  |  Link
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I would only bother if you are using the HDR -> SDR tone mapping. A 1070 or better can help there.
What if it's HDR tonemap to HDR output on a FakeDR TV ?

Does a 1070 help with that ?
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Old 23rd January 2019, 16:15   #54418  |  Link
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Do have all of the trade quality for performance options related to tone mapping unchecked and highlight recovery strength enabled? If yes, then the GTX 1060 can still do the job (I would guess barely). If not, a GTX 1070 or better would help.
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Old 23rd January 2019, 23:17   #54419  |  Link
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I need help evolving from 'poking at settings' to 'knows what poking at settings does'

Been using MadVR for a while now for HDR>SDR tone mapping on my Projector and I'm wondering if I am missing out on picture quality because I don't understand the settings properly.

Windows 10 - 64-bit
i7 - 16gb ram - NVIDIA 1070ti
madVR v0.92.17
LAV - 0.70.2.81-git

- My Calibrated Screen/PJ combo is hitting approx 70 nits with a rec.709.3dlut for Gamma 2.2 and I have this chosen in the calibration section of MadVR. I don't have any other 3DLut files generated.

- For HDR>SDR I am using shaders with a target peak of 200 nits, BT.2390 curve, balanced color tweaks and high highlight recovery.
I have 'measure each frame's peak luminance' checked but not sure if it works with NVIDIA CUVID decoding.

I wondering about how much I 'dont know' and if I'm getting less than stellar results with this config.

I 'think' my picture looks good, but without having any other point of reference I feel a bit in the dark.

- For my 4k HDR BT2020 content, should I be using a different LUT?
- Should I have Gamma processing enabled?
- How do I know if I am crushing blacks or if my highlights are right?
- How do I enable dynamic peak luminance adjustments?
- Why does my cat drink out of the toilet not her water bowl?

So many questions.

Last edited by griffind; 23rd January 2019 at 23:22.
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Old 23rd January 2019, 23:19   #54420  |  Link
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Hello,

I've installed MadVR (latest version)
and this is my system :

HP Pavilion 300-030NB
Windows 10 - 64-bit
i3 - 4gb ram - intel HD 4400 graphics
Latest mediaportal
Latest LAV codec - set to dvxa2 copy back

Connected to my Samsung UEJS9000 tv ( maximum refresh rate 30hz ( according to the "windows settings page" )

I had setup MadVR, according to what different users of an intel HD graphics 4000 (I have 4400) said, which was to use dvxa2 settings and such.

But nothing seemed to prevent my video from not playing smooth/stuttering.

I've tried numerous settings and different codecs ( Lav, CoreAvc Pro ), but nothing seemed to give me smooth playback.

Until I tried the setting under "Devices - Generic PnP Monitor - display modes"
"list all display modes madVR may switch to"

The default setting had nothing in it, so I've now set it to "1080p23" and it worked.

When I try to use 2160p23, it gives a black screen with audio only ( Lav codec - dvxa2 copy-back )
I guess the 2160p23 gives the same result as when you leave the field blank.

So I'll use 1080p23 for now.

But that leaves me thinking, now when a video is played, it will play in 1080p on a 2160p screen.
So now it's not upscaling anything, right ?

So is there any difference in quality now with this setting to "1080p23"
between MadVR and the EVR renderer option in mediaportal settings ?

I also had almost everything checked on the settings page of "Trade quality for performance".

I'm going to uncheck one at a time now and see if quality can improve without performance.

Is there any way to upscale my 1080p video's to 4k resolution with this intel 4400 HD Graphics and have smooth video playback?
Or am I stuck with the 1080p23 setting for now ?

Thanks in advance.

Greetings,
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