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Old 28th September 2018, 04:56   #52781  |  Link
ABDO
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Probably I should rename the options in madVR, because they seem to be confusing for users. People seem to think that HDR TVs can somehow do magic, and letting madVR convert HDR to SDR will produce worse results than if the HDR TV receives the full HDR content. In reality the HDR TV will do the same processing madVR does - only in worse quality.
agree with that, if i allowed to say, i think something like (Madvr HDR Tone Mapping) could help with the confusing
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Old 28th September 2018, 05:38   #52782  |  Link
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XySubFilter 3.1.0.751 released

https://forum.doom9.org/showthread.p...85#post1853085

All XySubFilter users please give this build a try. If you run into any (new) problems, please report them in the XySubFilter thread.
Just a quick note to report that XySubFilter 3.1.0.751 makes no difference to the freezing video issue I reported with madVR >= 0.92.15
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Old 28th September 2018, 07:29   #52783  |  Link
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You don't seem to understand the whole tone mapping concept. What do you think the 2017 LG OLED does internally when you feed it HDR? In case you don't know: It applies tone mapping! Same as what madVR does when you activate HDR -> SDR conversion.

Probably I should rename the options in madVR, because they seem to be confusing for users. People seem to think that HDR TVs can somehow do magic, and letting madVR convert HDR to SDR will produce worse results than if the HDR TV receives the full HDR content. In reality the HDR TV will do the same processing madVR does - only in worse quality.

the only problem with Oled's is that they are limited in brightness in sdr mode. Maximum is about 400-480 nits on small highlights and about 160 fullfield (mine is calibrated to 140 to avoid abl), while hdr mode overdrives the panel to a max of 900-950 nits on highlights by sacrificing color accuracy because of the extensive use of the white subpixels.

Would be nice if there is a way to deactivate the hdr modes tone mapping to take advantage of both, the madvr's tonemapping and the tv's hdr modes brightness.
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Old 28th September 2018, 09:41   #52784  |  Link
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Someone posted a way to do just that a few pages back, using the service menu.

Is it worth to sacrifice colour accuracy for higher max brightness, though?
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Old 28th September 2018, 10:46   #52785  |  Link
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I used android ANYMOTE with my Galaxy Tab s to get into the service menu on my LG OLED, I couldnt get it to work over WIFI using my phone, it looks like it has to be an IR device, luckily my TAB S had and IR port. Dont ask me how to do it again though as this was nearly 3 years ago and I remember it being a bit of a faff , google it for instructions.

I only disabled ABL though, dont plan to change anything else.
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Old 28th September 2018, 12:00   #52786  |  Link
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I used android ANYMOTE with my Galaxy Tab s to get into the service menu on my LG OLED, I couldnt get it to work over WIFI using my phone, it looks like it has to be an IR device, luckily my TAB S had and IR port. Dont ask me how to do it again though as this was nearly 3 years ago and I remember it being a bit of a faff , google it for instructions.

I only disabled ABL though, dont plan to change anything else.
As far as I know, You can't disable ABL but there is a feature called ASBL which can be disabled and If I am not wrong it applies only on static image displayed.
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Old 28th September 2018, 12:03   #52787  |  Link
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Originally Posted by Sunset1982 View Post
the only problem with Oled's is that they are limited in brightness in sdr mode. Maximum is about 400-480 nits on small highlights and about 160 fullfield (mine is calibrated to 140 to avoid abl), while hdr mode overdrives the panel to a max of 900-950 nits on highlights by sacrificing color accuracy because of the extensive use of the white subpixels.

Would be nice if there is a way to deactivate the hdr modes tone mapping to take advantage of both, the madvr's tonemapping and the tv's hdr modes brightness.
Since all high end OLED panels seem come from LG, regardless of TV maker, they almost all perform the same. SDR peak brightness on average is 400-420 nits for almost a 50% sustained window, which means it is rare enough that ABL really becomes too much of an issue if we are talking about HDR to SDR highlights. For a SDR calibration of 100-140 nits, this would essentially be meaningless.

In HDR mode, peak brightness would only reach about 750-780 nits in a 10% sustained window on my B7, the newer C8 seems to have better highlights up to 900 nits. However, looking at the rtings measurements, the real scene peak brightness is the about same 680 nits for HDR and 380 nits for SDR.

I agree that color accuracy takes a pretty large hit at high brightness due to the white subpixel usage. However, I don't know of any TV, OLED or LED, which actually does substantially better in the wide gamut range, in either accuracy or volume, as no TVs can fill this range, especially at the high brightness levels.

The main negative for OLED in this discussion is the inability to reach the high peak brightness levels of HDR in SDR mode, and over 300 nits is a large visible difference. And unless someone takes measurements, I wouldn't trust the service menu change to be a positive improvement overall for SDR. Every OLED TV manufacturer also has different tone-mapping for HDR modes, but overall there shouldn't be huge difference between them. Near black performance is also greatly improved for the 2017+ OLED models, but I still have my complaints on uniformity and screen color tinting.

Last edited by blu3wh0; 28th September 2018 at 12:19.
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Old 28th September 2018, 12:19   #52788  |  Link
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As far as I know, You can't disable ABL but there is a feature called ASBL which can be disabled and If I am not wrong it applies only on static image displayed.
from memory ABL isnt actually called ABL and ABSL is something completely different, mine is definately disabled, if I get time i'll look into this and confirm which option needs to be disabled, unless anyone can remember?
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Old 28th September 2018, 12:21   #52789  |  Link
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https://www.avsforum.com/forum/40-ol...g-oled-tv.html

think its TPC enable.
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Old 28th September 2018, 12:26   #52790  |  Link
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Hey guys,

I don't know if it's a bug from nvidia drivers but I can't output via HDMI in RGB 10 bit at 23HZ. I can only select 8 or 12bpc.
Is there a fix for this?
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Old 28th September 2018, 12:28   #52791  |  Link
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Yeah the "fix" is to select 12bpc cos they don't do 10.
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Old 28th September 2018, 12:31   #52792  |  Link
Sunset1982
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Originally Posted by kostik View Post
As far as I know, You can't disable ABL but there is a feature called ASBL which can be disabled and If I am not wrong it applies only on static image displayed.
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from memory ABL isnt actually called ABL and ABSL is something completely different, mine is definately disabled, if I get time i'll look into this and confirm which option needs to be disabled, unless anyone can remember?
ASBL is a function to dimm the brightness of static screen parts like logos. This can be disabled via the service menu. I thin on 2018 oleds there is an option for that in the settings, too.

ABL is the function to limit the overall brightness of the screen (mainly to limit the power consumption) and can't be disabled. But you can get rid of it by calibrating the display to a value under the maximum fullscreen brightness. If a oled is able to do 160 nits on a 100% fullscreen window, you could calaibrate the max brightness to 140-160 nits and then abl will never jump in.
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Old 28th September 2018, 12:33   #52793  |  Link
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ok thanks! that what I did. it's weird they don't do 10 bit in RGB but only in ycbcr
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Old 28th September 2018, 12:33   #52794  |  Link
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Sounds like MicroLED is gonna be a godsend when it finally arrives..
It's probably more efficient to output in 12bpc? Someone here will have the answer to that.
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Old 28th September 2018, 12:40   #52795  |  Link
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ASBL is a function to dimm the brightness of static screen parts like logos. This can be disabled via the service menu. I thin on 2018 oleds there is an option for that in the settings, too.

ABL is the function to limit the overall brightness of the screen (mainly to limit the power consumption) and can't be disabled. But you can get rid of it by calibrating the display to a value under the maximum fullscreen brightness. If a oled is able to do 160 nits on a 100% fullscreen window, you could calaibrate the max brightness to 140-160 nits and then abl will never jump in.
HI, perhaps this is later panel, I have DEFINATELY have ABL disabled mate.

I'll see if I can find the discussion about this and get some details.
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Old 28th September 2018, 12:44   #52796  |  Link
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HI, perhaps this is later panel, I have DEFINATELY have ABL disabled mate.

I'll see if I can find the discussion about this and get some details.
For at least LG OLED 2016+, ABL cannot be disabled, only ASBL.
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Old 28th September 2018, 13:03   #52797  |  Link
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the issue I had was the whole panel would suddenly dim in a movie less often but mostly on web sites in windows, this was super annoying, this is ABL, since disabling this it no longer happens.

looks like i did it later than I thought, here is the the discussion back in 2016

https://www.avforums.com/threads/lg-...#post-24331874
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Old 28th September 2018, 13:22   #52798  |  Link
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For at least LG OLED 2016+, ABL cannot be disabled, only ASBL.
I could be misremembering this I guess but my panel stopped full panel dimming when I disabled TPC, the whole panel would dim randomly mainly in windows on websites, I never noticed in movies but it was the whole panel not just elements on the screen.

EDIT, further conversations suggest OLED 55-60 defeats ABL on my panel, i'll have a look at the weekend. Mine is currently set to 60
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Last edited by mclingo; 28th September 2018 at 13:28.
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Old 28th September 2018, 13:39   #52799  |  Link
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Sounds like MicroLED is gonna be a godsend when it finally arrives..
It's probably more efficient to output in 12bpc? Someone here will have the answer to that.
yeah that will definitely be on my shopping list but i wont be buying first GEN this time, i'll wait for A) bugs to be worked out B) prices to become reasonable.
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Old 28th September 2018, 14:01   #52800  |  Link
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I remember when this used to be a madVR Thread

Those were the days.

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