Devices > Video Cards, Monitors, Televisions, and Projectors
Minor issue with full RGB vs Limited and madVR
wer:
That Audioquest cable is an 18Gbps cable. So it should do 4:4:4 at 2160p/60Hz, barely, but I believe trying to use HDR at that setting would exceed the bandwidth capabilities of the cable. You would have to lower the frame rate to do 10 or 12bpc at that resolution.
I'd suggest you try a different cable. Get a certified one; you don't have to pay a lot for perfect performance. You can get one that works perfectly for $20-40. But you can get cables that have problems. I once had a set of cables that had all the proper specs, but ARC just didn't work. The manufacturer was puzzled, and replaced the cables, and the replacements worked fine. So food for thought.
The trick on the TV is that not only do you have to have Ultra Deep Color turned on (HDMI1/2) but you also have to have the icon for the interface changed to the PC icon. It is said on some TVs the label of the interface must also be changed to "PC" but this is not true for my set: the icon must be changed, but not the label. So this may be firmware specific.
Test your configuration with a 4:4:4 test pattern. Just because you don't get an error message doesn't mean it's working the way you want.
wer:
Ah, I see you googled about the trick while I was posting. Good job.
Be aware, you lose some settings/options when operating at 4:4:4. For example, you cannot enable TruMotion anti-judder controls.
TheShoe:
I did notice that TruMotion is disabled, which is fine. I don't typically use it - too many artifacts across various videos, even when tuned down. I do like the de-judder, but the artifacts drive me crazy.
Edit: Notice Real Cinema is also disabled. This I assume would affect 24p content; is there a way to compensate for this in madVR?
rec head:
--- Quote from: TheShoe on February 05, 2021, 10:56:41 pm ---So it's resolved:
Changing the "Input Icon" to "PC" (which is a stupid description for something that clearly does more than change an icon), it put the HDMI input into PC mode. From there I did some further tweaking (set Picture Mode to ISF Dark Room), and voila! The "sparkle" effect is gone...
All other settings in the nVidia control panel and madVR remain as I had them previously.
I used to think audio (room) calibration could drive one nuts... ;)
Thanks for the hint @wer - some google searching based on what you posted lead me to fiddle with the "Input icon" setting. I note too some additional items in the LG menu that were not there before...
--- End quote ---
Is this an option in the TV?
I have a 2016 LG 65E6P. I have to admit I'm thinking hard about ditching it and 3D for a newer model.
tij:
--- Quote from: rec head on February 20, 2021, 07:23:06 am ---Is this an option in the TV?
I have a 2016 LG 65E6P. I have to admit I'm thinking hard about ditching it and 3D for a newer model.
--- End quote ---
Yes its an option on TV (if i recall correctly ... its in the "input settings") .. its specify type of input on HDMI ... "PC icon" expect input from PC (also good for gaming) and hence expect 0-255 ... also does not apply any special image processing to reduce lag
I love 3D on LG OLED (always watch 3D version of movie beford watching UHD version) ... will keep it until it breaks down
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