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Old 11th October 2019, 00:37   #57581  |  Link
DMU
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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   #57582  |  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.
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   #57583  |  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   #57584  |  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   #57585  |  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   #57586  |  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   #57587  |  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   #57588  |  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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Old 11th October 2019, 04:45   #57589  |  Link
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I've been using error diffusion for quite a while. I suppose I could check out ordered again as it does reduce the processing power needed, as well.
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Old 11th October 2019, 07:31   #57590  |  Link
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Originally Posted by VBB View Post
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".
Yea, the PC mode flaws are annoying. I have a huge macro in my remote to rename the input every single time I watch HDR... then rename it back after I am done.

They really need to add a easier solution to switch in/out of PC mode.
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Old 11th October 2019, 10:02   #57591  |  Link
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A question about an option in nvidia control panel, does it affect madvr's video output levels, like doing unnecessary conversion of the output levels or double expansion etc., if I set it to (0-255)? I'm using PC levels (0-255) in madvr, my monitor is accepting 0-255 RGB inputs, and does it affect the players potplayer or mpc-be, I read it only affects vlc, I get washed colors in vlc with the default option showed in the screenshot.

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Old 11th October 2019, 10:36   #57592  |  Link
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Originally Posted by saracas View Post
Yea, the PC mode flaws are annoying. I have a huge macro in my remote to rename the input every single time I watch HDR... then rename it back after I am done.

They really need to add a easier solution to switch in/out of PC mode.
i'm not familiar with this PC mode problem you're talking about, what is it?

Also, what content exactly has the banding so I can check, I generally dont see any banding on blurays at all and I dont use any debanding in MADVR.

Can you let me know which movie you are talking about with a specific scene?
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Old 11th October 2019, 12:13   #57593  |  Link
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They really need to add a easier solution to switch in/out of PC mode.
Hum no, they need to fix 4:4:4 RGB support so it doesn't suffer worse image quality than 4:2:2 YCC.
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Old 11th October 2019, 12:53   #57594  |  Link
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Originally Posted by saracas View Post
Yea, the PC mode flaws are annoying. I have a huge macro in my remote to rename the input every single time I watch HDR... then rename it back after I am done.

They really need to add a easier solution to switch in/out of PC mode.
Why HDR playback should be affected at all in this mode? PC mode was designed for general desktop usage and gaming. Otherwise PC mode should do nothing.
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Old 11th October 2019, 13:27   #57595  |  Link
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They're using a lower quality image processing in PC mode compared to other modes, so in practice you have to choose between 4:4:4 RGB and good image quality.
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Old 11th October 2019, 15:17   #57596  |  Link
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Where are you setting this PC mode?
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Old 11th October 2019, 16:13   #57597  |  Link
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Quote:
Originally Posted by thighhighs View Post
Why HDR playback should be affected at all in this mode? PC mode was designed for general desktop usage and gaming. Otherwise PC mode should do nothing.
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Originally Posted by mclingo View Post
i'm not familiar with this PC mode problem you're talking about, what is it?
Read the first part of this post and read the topic from here couple of pages.
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Old 11th October 2019, 17:24   #57598  |  Link
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Originally Posted by Warner306 View Post
RGB untouched by madVR and presented in PC mode should be the most accurate
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Originally Posted by j82k View Post
Should yes, but this is an LG TV.

RGB + PC mode + HDR is like the worst combination and produces terrible banding on the C8.
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Originally Posted by chros View Post
@jk82 is right, LG does some crazy things, e.g. there's no proper chroma 4:4:4 in PC mode at 4k resolution (and this is just 1 example). It seems it's more important for them to work on ABL algos than picture quality
Out of curiosity, how does these two pictures look on an LG OLED in PC Mode when displaying it at 100% size (1:1 Pixel)?
http://www.ozone3d.net/public/jegx/2...test-4k-tv.png
http://madshi.net/madVR/ChromaRes.png
Some Makro photos of the screen using a camera would be interesting.

Only LG OLEDs are affected or also LCD based TVs from LG? Is it year depending?
How about Panasonic OLED or LCD TVs?
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Old 11th October 2019, 17:30   #57599  |  Link
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Read the first part of this post and read the topic from here couple of pages.
right, got you, can be hard to follow stuff on here, my LG has issues in PC mode but these started quote late into the updates, probably only last year, it was fine initially, HDR also looks pap in PC mode on mine.
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Old 11th October 2019, 18:00   #57600  |  Link
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Now that the LG OLED C9s have GSYNC support coming, I hope they'll start focusing on the bugs PC mode has. I can confirm my C9 + PC Mode + HDR = Banding in both games and movies, same as my friend's C8.

Last edited by saracas; 11th October 2019 at 18:03.
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