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14th January 2021, 18:39 | #1461 | Link |
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@oldpainlesskodi - My C7 is locked to "Wide" in PC mode.
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14th January 2021, 19:03 | #1462 | Link |
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Thanks VBB - not just mine then. So, begs the question if auto in non-pc mode is the correct option then...
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14th January 2021, 19:09 | #1463 | Link | |
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Code:
Metadata: Mastering display luminance: 0.0001/1000, gamut: 0.68 0.32, 0.15 0.06, 0.265 0.69, 0.3127 0.329 MaxCLL: 1000, MaxFALL: 407 nits Measurements: Frames: 123455, MaxCLL 100%: 3916, 99.9%: 1195, MaxFALL: 884, AvgFALL: 100, AvgFMLL: 791 nits
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14th January 2021, 19:18 | #1464 | Link |
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Depends on what you mean by correct. Auto in non-PC mode maps to BT.709, while Wide in PC mode maps to the panel's native gamut, which is close to DCI-P3. Whatever you set the TV to, just make sure to match that in madVR. The same goes for gamma.
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14th January 2021, 19:41 | #1465 | Link |
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Yeah, that was kinda my point - surely in PC mode the panel should be in monitor mode and display what it thinks is being sent? After all, what is PC mode supposed to do......just curious why it maps to wide color gamut I guess.
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14th January 2021, 19:50 | #1466 | Link |
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I don't know why LG think it's a good idea to lock anything.
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14th January 2021, 20:03 | #1467 | Link | |||||
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And just for the record, I'm not sure I even want to use dynamic clipping yet at the end of the day, I just wanted to test it to see if I liked what it did, and at least it seems to work as intended and so we can evaluate potentially using it. Quote:
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Last edited by aron7awol; 14th January 2021 at 20:51. |
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14th January 2021, 20:29 | #1468 | Link |
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@VBB - agreed. Oh well, more testing lol.
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15th January 2021, 11:49 | #1469 | Link | |||||
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Yes, sorry, corrected, thanks. Quote:
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So when we use it, let's use: 100/10/20/20 Quote:
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I vote for: - let's disable them (I don't think they are needed for "normal" content at all) - we can play with them after that with the well known scenes How does it sound?
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15th January 2021, 17:10 | #1470 | Link | ||
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And this is why even though it may initially sound more complicated, I actually think the simplest approach is to completely forget all the algos and all the complicated combinations of settings, and instead just look at a frame and find the target we want for that frame manually. Nothing more complicated than that. Pretend you are an AI that can analyze this frame and come up with an ideal target for that frame, what would it be? After all, if we could create the perfect algo, isn't that exactly what we would want it to arrive at? It doesn't matter how exactly we are going to arrive at that target at the end of the day, maybe it's the existing algos, maybe it's a totally new algo, maybe it's a combination of the two. Let's cross that bridge when we get to it. We really need the targets first, to know if the existing algo can work or if it needs to be changed. Otherwise, we're just pigeon-holed into the existing algo and maybe it's impossible to make it consistently hit our targets, and so we're just stuck chasing our tail. After all, even if you just go start testing with some combination of settings, what's going to happen when you test the first frame? You're going to look at it and decide if you're happy with it or not, right? Is this going to be a simple happy/unhappy question, or are you going to adjust up and down a bit to see if you can find something even better? In any case, inevitably you are going to come across a frame that you are unhappy with the result. What then? Are you going to then adjust DTN up/down to find something that works well for that frame? Once you do, are you then going to go back and test the previous frames that you were happy with with the new DTN and see if you're still happy with them? I hope you know I'm not being facetious, I'm genuinely asking what you are thinking as far as how to handle those scenarios during the testing. Last edited by aron7awol; 15th January 2021 at 18:03. |
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15th January 2021, 18:21 | #1471 | Link |
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I have no idea what you two are trying to accomplish! Were have a boat load of settings and they all do different things. It's all well and good to have an understanding of what the settings do and why they are there. But there will be no perfect combination.
QB
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15th January 2021, 20:16 | #1472 | Link | |
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Right now the targeting is really only based on 3 things: 1. FALL multiplier (but is the relationship between FALL and a preferred target even linear?) 2. avgHL multiplier ceiling (but is using >100 nits as avgHL the best value to use, and again, is the relationship linear?) 3. Sky detection to ignore flat areas so they don't disproportionately bias the FALL targeting It works pretty well as of now, but I think it could potentially be so much better. Last edited by aron7awol; 15th January 2021 at 20:26. |
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15th January 2021, 20:29 | #1473 | Link |
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And that's the issue, see above.
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15th January 2021, 21:03 | #1475 | Link |
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No, of course not! But we don't need trillions of frames either. We just need a small subset that hopefully covers the different types of frames (only those that are bright enough to need target > DPL) that require different targeting. This is no different from when we normally test and hone in on a particular DTN that we use other than we aren't a slave to the algo, we just need to make a note of the preferred target (nits, not DTN value) for each frame we evaluate. Really, it's just the exceptions that the current algo doesn't target so well that we really need to know about.
Last edited by aron7awol; 15th January 2021 at 22:50. |
16th January 2021, 01:54 | #1476 | Link |
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Haha @chros, I think I found a bug when both sky detection and dynamic clipping are enabled at the same time! Pretty funny. So you were kind of right about the suspected bugs, you just needed to use both together to manifest it!
Last edited by aron7awol; 16th January 2021 at 01:58. |
16th January 2021, 09:35 | #1477 | Link |
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I noticed something similar with sky strength at 199 (!) without DC, and I thought this value was 0-100
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19th January 2021, 16:09 | #1478 | Link |
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@aron7awol I've gone looking through the avs thread again.
Here's the latest Excel version of the measurement files parser: https://www.avsforum.com/threads/imp...#post-57108412 Format revisions: v4: https://www.avsforum.com/posts/57030812 v5: https://www.avsforum.com/posts/57075684 v6 (current): https://www.avsforum.com/posts/57331156/ I've started to reimplement a parser to csv just in case madshi decides it's worth it to add the black level measurements for analysis. Last edited by quietvoid; 19th January 2021 at 16:12. |
20th January 2021, 21:55 | #1480 | Link |
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I've updated my 2018 to 05.30.10, reset all settings.
No improvement for Dolby Vision black levels, contrast 99 looks weird. I'm questioning one thing, what do you guys have set for Color Gamut in HDR? Auto looks less saturated than Wide, with all my inputs (FireTV stick, madVR). But I don't know if Wide is accurate. Last edited by quietvoid; 20th January 2021 at 22:05. |
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