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15th October 2018, 21:15 | #53262 | Link | |
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I have to say i'm glad as they should be no difference and I prefer having correct colour space on my desktop. I guess you just got lucky with your combination of kit and settings, however... I'm guessing this is your first OLED even though you've had several LG tvs? My first gen 4k OLED has a less smooth transition at near black for setting brightness levels in that you have to move the brightness slider two notches to increase or decrease the brightness, this makes it a bit notchy for setting black clipping. This doesnt affect how it shows these elements, just how you setup the TV. This was fixed in the next model E6, so it could be I just cant get that notch that you can. on my black clipping pattern I prefer flashing 18 and above rather than 16/17 as this can produce raised blacks for me, this could be the issue. for me though this is an advanage as it means there is no difference so I can stick with using HIGH and have the correct desktop colour space.
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LG OLED EF950-YAM RX-V685-RYZEN 3600 - 16GBRAM - WIN10 RX 5700 - https://www.videohelp.com/software/madVR/old-versions |
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15th October 2018, 22:17 | #53263 | Link | |
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HTPC: Windows 10 22H2, MediaPortal 1, LAV Filters/ReClock/madVR. DVB-C TV, Panasonic GT60, Denon 2310, Core 2 Duo E7400 oc'd, GeForce 1050 Ti 536.40 |
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15th October 2018, 22:37 | #53264 | Link | |
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The first visible square in the pattern is equal to bar 17 (0.5%). This is crushed with brightness at default 50 and a full RGB chain. This square is visible with brightness at default 50 and limited>full>limited. As is per my experience with the first C7 I had which I exchanged for this one, and also a plasma a couple other LCDs. |
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15th October 2018, 22:53 | #53265 | Link | |
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MadVR puts the diffuse white at about 80 cd/m2 for the said 200 nit monitor. Does this sound as being more in the ballpark? Last edited by mytbyte; 15th October 2018 at 23:06. |
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15th October 2018, 23:13 | #53266 | Link |
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ok, i'm going to change my mind on this, I can see a difference, I wasnt giving my eyes enough time to adjust in between changing the settings.
on LOW I can see all but the top corner two blocks far left, on high I cant quite see the top 3 blocks, I can barely see the 3rd one down but its there. Not sure this is enough of a difference for the exta hassle of having a crushed desktop though. But you are correct nonetheless, this is very interesting. I think i'd have to see a real world difference to bother changing my setup.
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LG OLED EF950-YAM RX-V685-RYZEN 3600 - 16GBRAM - WIN10 RX 5700 - https://www.videohelp.com/software/madVR/old-versions |
16th October 2018, 07:31 | #53268 | Link |
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Why would you use 16-235 when you can 0-255 ? I am using FULL on the Nvidia + TV AUTO and MadVR 0-255 , there is a big different in quality when you use 16-235 .. why would you do that.. maybe it depends on the media player ? I don't know. but with Potplayer I just see 16-235 like when the TV can't support it , washed white even on the blackest black on the wide screen black lines that suppose to be blackest black on OLED
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16th October 2018, 07:43 | #53269 | Link | |
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This is getting a bit off topic I think.
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My HTPC : i9 10900K | nVidia RTX 4070 Super | TV : Samsung 75Q9FN QLED |
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16th October 2018, 07:45 | #53270 | Link | |
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My HTPC : i9 10900K | nVidia RTX 4070 Super | TV : Samsung 75Q9FN QLED |
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16th October 2018, 15:20 | #53274 | Link | |
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HTPC: Windows 11, AMD 5900X, RTX 3080, Pioneer Elite VSX-LX303, LG G2 77" OLED |
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16th October 2018, 15:56 | #53275 | Link | |
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80 nits sounds too bright for reference white if room was left for specular highlights, but it is difficult to tell for sure because it is unknown where compression begins when the target nits is set to less than 480 nits. And you are still only getting a ratio of the original curve's target nits.
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HOW TO - Set up madVR for Kodi DSPlayer & External Media Players |
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16th October 2018, 16:17 | #53276 | Link |
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Can you explain? I'm not using bulit-in patterns but rather R. Masciola's HDR patterns in manual mode although I'd prefer it if MadVR HDR->SDR processing worked with MadTPG.
Last edited by mytbyte; 16th October 2018 at 16:21. |
16th October 2018, 16:26 | #53277 | Link |
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PQ is converted to SDR gamma, so the original BT.2390 curve will be lost. SDR is also relative and not absolute like PQ. You could try calibrating in SDR, but pixel shader changes the gamma curve, so the charts might not look right.
The best you can do is check for black and white clipping. Try these patterns. I would suggest pausing the 8-bit black clipping pattern because it is short. Setting the correct gamma curve in madVR is the most important part of this test. Even then, once black clipping is set to the correct gamma curve, your eyes will be a better guide as to what looks best. You will lose something in contrast or brightness no matter what you choose.
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HOW TO - Set up madVR for Kodi DSPlayer & External Media Players Last edited by Warner306; 16th October 2018 at 16:28. |
16th October 2018, 16:54 | #53278 | Link |
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@Warner: but HDR converted to SDR should result in PQ points when measured with a meter, from HDR patterns run through MadVR and the measured max display's nits entered into madVR, no? In that case it's not relative...I mean, I get almost perfect PQ tracking when I set MadVR curve to "clipping" (that being pure PQ, I suppose) and it looks in no way particularly wrong on screen...of course, converting HDR to SDR loses the precision of PQ (less bits allocated to low end)
Thanks for the link. Last edited by mytbyte; 16th October 2018 at 16:57. |
16th October 2018, 16:56 | #53279 | Link |
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Maybe. I'd like to see what the charts look like when set to clipping and BT.2390. The curves shouldn't match perfectly because they are different gamma curves. Setting madVR to 2.20 or 2.40 would change the gamma curve. I wouldn't think it would track the PQ curve the same in both instances.
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HOW TO - Set up madVR for Kodi DSPlayer & External Media Players Last edited by Warner306; 16th October 2018 at 17:04. |
16th October 2018, 17:23 | #53280 | Link | |
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I'll try to upload the charts these days, watch this space. |
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Tags |
direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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