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Old 7th October 2019, 00:59   #57581  |  Link
Alexkral
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Thanks, perfectly understood.
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Old 7th October 2019, 23:52   #57582  |  Link
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Quote:
Originally Posted by janos666 View Post
I think the main issue is an HDMI metadata error (the important part is the TV's OSD banner with the signal info): NV HDR - AMD HDR - AMD Win10-HDR.
Perhaps you are right. See the attachment.
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Old 8th October 2019, 00:04   #57583  |  Link
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I have Asus PB279Q. 100% sRGB.

What calibration should I choose in madVR? There is no sRGB.
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Old 8th October 2019, 00:12   #57584  |  Link
Asmodian
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Quote:
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What calibration should I choose in madVR? There is no sRGB.
sRGB = BT.709
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Old 8th October 2019, 00:13   #57585  |  Link
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Thanks.
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Old 8th October 2019, 10:24   #57586  |  Link
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Quote:
Originally Posted by DMU View Post
Perhaps you are right. See the attachment.

do you have anything set in the TV calibration section of MADVR, mine is now set to off, I previously had to calibrate to BT2020 due to a bug with AMD drivers with sub 60hz SDR material but i've never had an issue with HDR and still dont, all my comparisions look the same.
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Old 8th October 2019, 14:22   #57587  |  Link
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Originally Posted by mclingo View Post
do you have anything set in the TV calibration section of MADVR
Hello. In madVR devices->calibration set "disable calibration control for this display and check "disable GPU gamma ramps".
Can you check on your TV there is a choice of colour gamut (BT.2020 or DCI-P3) for AMD HDR?
Thank you.
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Old 8th October 2019, 22:23   #57588  |  Link
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Quote:
Originally Posted by DMU View Post
Hello. In madVR devices->calibration set "disable calibration control for this display and check "disable GPU gamma ramps".
Can you check on your TV there is a choice of colour gamut (BT.2020 or DCI-P3) for AMD HDR?
Thank you.
There is a colour gamut optionb but its just normal or full, i'm guessing full is BT2020

A couple of other things:

- I'm not using the latest beta HDR stuff, just using stock MADVR v0.92.14

- I have passthru to display set and no other options set apart from send HDR meta to display

- i have calibration turned off and gamma ramps unticked.

- my TV behaves oddly when I set it to PC mode, colours are all off, i havent played with this for a while but thinking back I may have been getting something like you are, what is your TV set to as the input, mine is configured to just standard HDMI so not set to PC, bluray etc, try a different input name as this can actually change how the unput works, for instance when in PC mode a lot of my motion controls are disabled.

I gave my HTPC a thorough workout this weekend gone, watched loads of movies, SDR and HDR, not issues are at, no drops, repearts, black screens, crashes, odd colouration.
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Old 8th October 2019, 22:40   #57589  |  Link
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yeah I was right, check this out, the top one is with identical settings PC, TV and MADVR with my TV input set to PC mode, bottom TV set to "HDMI", I also set it to "BLURAY" and it was also ok so, no idea why this is though but it looks like identical behavior to you, try changing your input mode.



https://1drv.ms/u/s!AgvFafeelEBij4AF...zG6VA?e=lcXAog
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Old 10th October 2019, 23:15   #57590  |  Link
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Don't know why but NGU doesn't work for image upscaling with DVB-T sources. This is on Windows 7 with v.0.92.17 and JRiver or MPC-HC. It works for chroma upscaling, but for doubling when I select any NGU the OSD shows super-xbr.
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Old 10th October 2019, 23:22   #57591  |  Link
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What are the proper settings for 4K HDR BD Remuxes on an LG OLED? I have NVIDIA drivers set to "RGB Full" and MadVR set to "10bit or higher". I still see some banding in some scenes scenes. Maybe it's normal, but I don't remember seeing them on SDR 1080p BDs.
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Old 10th October 2019, 23:44   #57592  |  Link
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10bit likely isn't optimal for your screen.. As far as banding goes I believe only calibration is going to help you there.
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Old 11th October 2019, 00:37   #57593  |  Link
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Quote:
Originally Posted by mclingo View Post
try changing your input mode.
No image changes.
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Old 11th October 2019, 03:03   #57594  |  Link
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Originally Posted by ryrynz View Post
10bit likely isn't optimal for your screen.. As far as banding goes I believe only calibration is going to help you there.
8-bit is better than 10-bit with the OLEDs, yes. That will already help with banding, but using madVRs own de-banding on low/low will get rid of pretty much anything that's left. I use it on all content, and I hardly, if ever, see any banding these days.
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Old 11th October 2019, 03:06   #57595  |  Link
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The reason why I didn't mention that is because you're debanding the content not the presentation. Debanding content that doesn't require it leads to a decrease in picture quality. There has been many calls for madshi to implement a feature to help banding and black crush on OLEDs but I doubt we'll see that come to fruition.
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Old 11th October 2019, 03:31   #57596  |  Link
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I find that de-banding on low/low doesn't hurt picture quality at all, and is unfortunately necessary with most content, regardless of the display. It works really well, though.
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Old 11th October 2019, 04:02   #57597  |  Link
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Originally Posted by VBB View Post
8-bit is better than 10-bit with the OLEDs, yes. That will already help with banding, but using madVRs own de-banding on low/low will get rid of pretty much anything that's left. I use it on all content, and I hardly, if ever, see any banding these days.
So should I set MadVR to "8bit" for display or "10bit or higher" on LG OLED? I'm just leaving it Auto for now.
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Old 11th October 2019, 04:06   #57598  |  Link
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If you're trying to get rid of banding, madvr and the nVidia control panel should both be set to 8 bit. Just make sure you're using one of the error diffusion dithering options in madvr. I don't think there's many of us LG OLED users driving the nVidia cards at 12 bit due to banding issues. You won't notice any quality loss using 8 bit with decent dithering.
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Old 11th October 2019, 04:14   #57599  |  Link
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Honestly, Error Diffusion is not necessary. Ordered will do the trick just fine. But yeah, RGB full + 8-bit everywhere. And definitely no PC mode

And if you want a smoother experience, set your desktop to 60Hz, disable frame rate switching in madVR, and set smooth motion to "Always".
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Old 11th October 2019, 04:39   #57600  |  Link
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I actually prefer ordered dither over error diffusion on my OLEDs, both my C7 and C9. It could be placebo because the difference, if there really is one, is very subtle but it is odd because I was always a big fan of error diffusion dithering on my plasma and LCDs.
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