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21st December 2017, 15:11 | #47881 | Link | |
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A few things to check. - Are you outputting in 1080p or 4k? - try setting all scaling to lanczos - Make sure you've got your display modes set correctly, if you are not using 4k try just putting 1080p23 down in the display modes. Also, play a movie and press CONTROL+J and take screen shot (F5), post the results. Last edited by mclingo; 21st December 2017 at 15:14. |
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22nd December 2017, 00:16 | #47883 | Link |
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AA is for lines and jagged edges it's much softer than sharp.
Keep with AA for chroma it's probably the most natural and offers fast performance for low/medium and high settings. Very high is imo a waste of resources with chroma and offered little benefit. |
22nd December 2017, 03:47 | #47885 | Link | |
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HOW TO-Kodi 2D-3D-UHD (4k) HDR Guide Internal & External Players W11 Pro 24H2 GTX960-4GB RGB 4:4:4 @Matched Refresh Rates 8,10,12bit KODI 22 MPC-HC/BE 82" Q90R Denon S720W |
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22nd December 2017, 04:30 | #47886 | Link | |
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TV LG OLED 4K 3D 55C6 HDMI Cable tried 2 Monoprice Premium HDMI cables 1.5 Meter and also some brand that cost 38$ which is Highest possible, the same. MadVR 0-255 which has the issues but HDR looks amazing, 16-235 the white dots disappear but the quality is lowered by 50%. INNO3D 1080GTX Default Color Settings No Reciever, Straight to the TV HDMI1 , I tried also HDMI2 , it's the same. Don't have Bluray Player, downloading movies from the internet. This is what happening for me in movies. but this guys posted for his PS4 , it's the same issue. https://youtu.be/IeFN4XT1pJ8 EDIT : found the Issue and the FIX I think I've found the issue.. I need to change the NVidia settings from Default Color to NVidia Color Settings then choose YCbCr422 12bit Limited . Then the HDR movies works perfect with 0-255 on the TV. When using the Default it uses automatically 12 bit RGB ... so it does some weird conversion in the mode which causes issue with white pixels . I need to choose every time I watch HDR to put 12 bit YCbCr 422 so it won't try to use RGB.. is there any other way to that ?? so many manual things to change....... With the PS4 it's the same thing. I don't have PS4, but from the youtube video I can understand the issue so it's not standalone part to the TV.... the TV doesn't go into the right mode properly . but there it's a game, but still you can play games with 12 bit RGB . HDR needs to be YCbCr 422 . so I think that's the issue in mind. Last edited by x7007; 22nd December 2017 at 07:51. |
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22nd December 2017, 04:41 | #47887 | Link | |
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So, (assuming that the DAC is able to perform a downscaling from higher resolutions, otherwise the next part is nosense) I can't connect a 2k or 4k display to his HDMI output without having an upscaling from the display processor (worst than the one madVR provides) after the downscaling of the DAC. In few words: GPU 2k (or 4k) -> DAC 1080p -> display + upscaling. Using the second HDMI output I can go directly to the display at its maximum resolution and to the DAC just for the audio, without using its HDMI out (loosing, as said, the exclusive mode in madVR). However, the DAC (I should had say preamp) is an Optoma AVP18
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22nd December 2017, 06:21 | #47888 | Link |
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Thanks!
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22nd December 2017, 09:39 | #47889 | Link | |
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Use another HDMI cable!! Your problem is a typically HDMI cable problem. The data transfer it too high for your HDMI cable. Everything tweak that lowers the data speed will fix your problem, but this is not what you want. Try another cable. Last edited by HillieSan; 22nd December 2017 at 09:42. |
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22nd December 2017, 10:35 | #47890 | Link | |
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You have to enable 3D manually before every playback to be sure it's on. I use a batch file launched from my iPad when I select the 3D button in iRule. It enables 3D on nVidia using MCE Controller and selects my 3D calibration on the projector. The register file added by Madshi after we had this discussion isn't enough for me, but it might work for you.
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22nd December 2017, 11:01 | #47891 | Link | |
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@x7007: You are wrong.
HillieSan is right. Quote:
btw for best quality, you should set your TV Black Level to high, nvidia and madVR to full 0-255 and then calibrate brightness and contrast on your TV. |
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22nd December 2017, 11:22 | #47892 | Link | |
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Glad you got it sorted. |
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22nd December 2017, 11:26 | #47893 | Link |
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I dont think the white dots is the cables, i'm using these decent cables end to end - https://www.ebay.co.uk/itm/JuicEBitz...53.m2749.l2649.
I get these sometimes when playing HDR movies at 4:4: 4k@24hz, if I drop to 4:2:0 its fine. I guess it could be an issue with LG 4k TV's maybe, or my AMP but they both should support the current HDMI 2 specs. Last edited by mclingo; 22nd December 2017 at 11:42. |
22nd December 2017, 14:13 | #47896 | Link |
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The thing is, if it was a problem with the TV processing it would manifest itself in a more consistent way than random white dots. For instance, if it was a problem with processing brightness values or something, it wouldn't be random white dots it would be whole zones of the picture affected and it would not flicker even on a fixed image but be stable. Truly random white dots has been a symptom of bandwidth or signal integrity issues since HDMI 1.0
Even if it persists after trying many cables, it could also be an issue with the TV's inputs or the graphics card's output. Did you also try other HDMI inputs and outputs (and multiple cables on each)?
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22nd December 2017, 21:38 | #47900 | Link | |
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There is a second video track included in the stream, it is only 1920x1080 and black and white. It looks like extra information for shadows and highlights but nothing we have now can use it. They still look pretty good in HDR10 fallback mode though. I have been unable to get HDR content to look as good in SDR mode as it does in HDR mode, at least on my OLED TV. It can look pretty good but putting the TV into HDR mode does improve highlights, shadows too but highlights are the biggest change.
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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