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20th December 2020, 17:56 | #1241 | Link |
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Tested quickly with the recent dicussions for madVR, seems that using 700 nits makes the image dimmer (at least for the S&M demo) compared to 1000 nits. Can't see anything wrong with 1000.
Got scared when there were flickering red pixels in shadows, replugged HDMI and it seems to be fixed. I still have to play with saturation to see if the first shot mountain peak can be improved, it's very saturated using SamuriHL's settings. |
20th December 2020, 18:00 | #1242 | Link | |
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Quote:
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20th December 2020, 18:02 | #1243 | Link |
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Of course it is. That's what madshi has to fix and why I keep saying that even though we have high nits to play with compared to PJ owners we're still impacted. You can fix it by setting desat 1+2 + 50% dumb, but, I don't really recommend it.
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20th December 2020, 23:51 | #1245 | Link |
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You should try my settings... 150 DTN is too much compression.
https://forum.doom9.org/showthread.p...40#post1930940 QB
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21st December 2020, 00:36 | #1246 | Link | |
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Should Luma Quadrupling be set under Image Upscaling or just Luma Doubling? Thanks |
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21st December 2020, 00:56 | #1247 | Link |
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I would leave whatever you can as "let madVR decide", but feel free to play around with it.
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21st December 2020, 01:57 | #1249 | Link | |
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While some scenes of the demo benefit from some higher brightness with setting it lower, others lose contrast and highlight detail. The one I noticed was the waves hitting the rocks, there's detail lost with DTN at 50. |
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21st December 2020, 03:14 | #1250 | Link |
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Yea, DTN can be a pain in the ass to dial in properly. The last time I went through this exercise, which admittedly was quite a while back, I settled on 150 as it generally looked the best in most content. I've run with 75 before, as well and that handles quite a bit of content fairly well. It can be tricky.
EDIT: Ya know....I never tried matching DTN to max nit level of the video I was playing. I wonder if there's a pattern there. E.G. the SM is 10k nits which is super freaking high and all over the place. But in real world content, I wonder if having a DTN for 4000 nit content and another for 1000 nit content makes sense. I suspect we could do that with profiles. Never dawned on me to even consider that.
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21st December 2020, 06:31 | #1251 | Link |
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The S&M Demo does come in all kinds of flavors... there is a 600 MDL, 1000, 2000, 4000 , and 10000... Plus various colour spaces too... and a few other differences. There is 13 different versions.
But here is the thing... If it is not needed, more DTN will do nothing for us. So the lower nit sources will not need as much. I went through ALL 71 scenes, the handful of scenes where a higher DTN than 65 helped is not worth the more than 1/2 of the scenes where it got dimmer. QB
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22nd December 2020, 12:37 | #1253 | Link | ||
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But here are couple of things that I don't understand: 1. DTN should be only (!) responsible of taking (high) FALL into account! - it doesn't do anything with frames that their peak is below DPL: so if you use 1000 DPL then it doesn't do anything with frame peak below 1000 nits - when DTN is disabled, it should not affect content with "normal" FALL, madvr's other algo should take care of it 2. high fall has nothing to do with maxCLL - although you can argue that low maxCLL (~700) titles definitely won't get high FALL - take a look at this list, order by avgFall - SM 10000 HDR10 has these values: MaxFALL: 1667, AvgFALL: 311, AvgFMLL: 3576 nits 3. if you still (!) feel the need of profiles based on whatever attribute, then it only means one thing: - the algo that madvr uses for DTN with HDR passthrough is wrong! - in this case you have to ask madshi to modify it according to your needs
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23rd December 2020, 03:16 | #1255 | Link |
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Until we take a look at if they can truly help or not, I'm not ruling them out. If you have no need for them, that's great and it simplifies your configuration.
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26th December 2020, 04:30 | #1256 | Link |
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Build 115 is interesting. That new option to not apply peak nit to DTN does some crazy stuff for me at least. I can't get the brightness to come back down to something reasonable no matter what I set the DTN to after enabling that option. I had to disable it. After playing around and a fair bit of testing tonight, I'm back to using DTN 150. I'm also using desat i + 75% dumb as it gives just a slight edge of saturation over desat i 1+2 + 50% dumb. desat i 1+2 + 50% dumb certainly seems correct technically speaking from what I can see. But for now I'm running desat i + 75% dumb just to play around with it. Hopefully someone can tell me what the hell the do not apply peak is supposed to do. I don't know if it's something we should care about or not but so far for me, not is the answer.
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26th December 2020, 05:57 | #1257 | Link |
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Guys Can you share ur new setting under b115. Thanks a lot
Sent from my SM-G988B using Tapatalk
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26th December 2020, 16:42 | #1258 | Link |
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I've played with the new DTN option a bit but at a certain point it stops changing the still image (same as just changing DTN sometimes), gotta test more
I think we're supposed to be comparing the target tonemap nits on the OSD. Oh well, looks like Neo-XP is testing too There's not much that changed, probably just have to reset the saturation option (mine defaulted to y' after changing to 115). Last edited by quietvoid; 26th December 2020 at 16:58. |
26th December 2020, 17:29 | #1259 | Link |
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As mentioned, I'm using Neo-XP's desat i + 75% dumb and I like it so far. it gives just a tad bit more saturation than desat i + apply 2 + 50% dumb which is good for us IMO. YMMV of course. Also I had to up the DTN to 150 even with this new do not apply peak nits setting disabled. I need to play with that some more. I don't think that should have changed without the option enabled. I can tell you with that option enabled nothing I did in the DTN setting made the brightness even remotely ok. It was absurdly bright for me.
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27th December 2020, 05:37 | #1260 | Link |
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I don't actually see any saturation issues on our high-nit displays. I prefer desat i 1 only, no dumb. Is there some specific content that you guys have seen saturation issues with, even with our ~1000 nit DPLs?
I did some extensive testing with BvS and I definitely preferred NOT checking "disable avghighlights ceiling". I find the ceiling is a good thing, as it prevents DTN from kicking in too strongly. I really liked this combined with 75 DTN. DPL 1000 DTN 75 unchecked "disable avshighlights ceiling" desat i 1 only Pretty much everything else disabled. |
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