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Dell S2716DG 1440 144 Hz G-Sync Owners Thread - Page 312

post #3111 of 5314
Quote:
Originally Posted by spin5000 View Post

1) Technically speaking, is GSync working with Lightboost or ULMB?

2) Is ULMB just an alternate marketing term for Lightboost (which itself is a marketing term) or are Lightboost and ULMB technically two different things going on (3D aside).

3) If GSync can be made to work with Lightboost and/or ULMB, then can it be made to work during 3D Vision mode (which uses Lightboost)?

4) I never understood why every monitor has much lower brightness settings with ULMB and "Blur Reduction Mode" if Lightboost can blast extra brightness? If the strobing makes things way more dim (80 - 120 brightness range) then how come Lightboost is the only strobing mode that isn't susceptible to this and almost blinds me whenever I use it without putting my 3D glasses? Does Lightboost have some sort of patent that no other strobing mode manufacturer is allowed to use which offsets, and more, the brightness reduction associated with typical strobing modes? I mean, seriously, when using 3D mode (or 2D Lightboost) on my ASUS VG248QE, the monitor goes into some eye-searingly bright mode which, by the way, the 3D glasses nicely balance-out (the 3D glasses also balance-out and add back-in contrast, vibrancy, and deeper blacks but I digress).
1) I got nothing for this. VRR and Strobing working together seems rather hard because you get one backlight flash per frame and if the frame rates are changing the backlight on time has to be adjusted to keep the same brightness.

2) Lightboost was made for an optimized for shutter glasses. Because of this the color is very different(lower contrast and looks brighter) than other blur reduction setups like ULMB.

3) ULMB as far as I know does not alter the color so it will not offset having shutter glasses on. I think Lightboost should still be best for that.

4) Many blur reduction systems can be adjusted either in the menu or service menu. BenQs setup can be pretty bright by having a longer backlight on time per frame(the shorter the on time the cleaner the motion, but the dimmer the screen). This reduces the the blur reduction, but greatly improves the brightness. Lightboost also has settings that do a similar thing. I think Lightboost is just well optimized and uses a slightly different setup for drawing out frames because it does have less visual artifacts than things like BenQs Blur Reduction system. Either way ULMB should look better without 3d glasses.
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post #3112 of 5314
Quote:
Originally Posted by spin5000 View Post

1) Technically speaking, is GSync working with Lightboost or ULMB?

2) Is ULMB just an alternate marketing term for Lightboost (which itself is a marketing term) or are Lightboost and ULMB technically two different things going on (3D aside).

3) If GSync can be made to work with Lightboost and/or ULMB, then can it be made to work during 3D Vision mode (which uses Lightboost)?

4) I never understood why every monitor has much lower brightness settings with ULMB and "Blur Reduction Mode" if Lightboost can blast extra brightness? If the strobing makes things way more dim (80 - 120 brightness range) then how come Lightboost is the only strobing mode that isn't susceptible to this and almost blinds me whenever I use it without putting my 3D glasses? Does Lightboost have some sort of patent that no other strobing mode manufacturer is allowed to use which offsets, and more, the brightness reduction associated with typical strobing modes? I mean, seriously, when using 3D mode (or 2D Lightboost) on my ASUS VG248QE, the monitor goes into some eye-searingly bright mode which, by the way, the 3D glasses nicely balance-out (the 3D glasses also balance-out and add back-in contrast, vibrancy, and deeper blacks but I digress).


1) I made it work with ULMB. So the option to disable it is in the monitor OSD, and you can also change the "ULMB Pulse Width" setting. However, when G-Sync is disabled in the Nvidia Control Panel, those custom resolutions use Lightboost.

2) What Nukemaster said. Although it doesn't seem to affect color and contrast on my monitor (Dell S2716DG). Blacks are a lot better than on my old BenQ XL2411Z.

3) Hello, 3D Vision fellow! No, these custom resolutions don't do anything special when 3D Vision is enabled. It would be cool if G-Sync could work in 3D with Lightboost.

4) What Nukemaster said. If you use a lower strobe length in ULMB than what you get in Lightboost, it's obvious that Lightboost will look brighter.


What saddens me is losing DSR if I want to use G-Sync + ULMB, because it disables custom resolutions.
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post #3113 of 5314
Ive yet to try out ULMB. I see for gsync + ULMB we need to set some odd resolutions. How does this work out?
Will there be a slightly off perspective , like if 2528x1422 is used, is it going to stretch 1422 over 1440 native, or will it do something like 18 pixel border offest? either 18 on left, right, or 9 on each side?
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post #3114 of 5314
Quote:
Originally Posted by TheGlow View Post

Ive yet to try out ULMB. I see for gsync + ULMB we need to set some odd resolutions. How does this work out?
Will there be a slightly off perspective , like if 2528x1422 is used, is it going to stretch 1422 over 1440 native, or will it do something like 18 pixel border offest? either 18 on left, right, or 9 on each side?

Any custom resolution will work. Like 2558x1440. To maintain the 16:9 aspect ratio, I use 2544x1431, although if I need the 1440 vertical resolution for some emulators, I just use a lower than 2560 horizontal resolution.

I don't use scaling, by the way. It would look blurry when vertical resolution is lower than 1440.
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post #3115 of 5314
Man this needs to be an option period if true. Was this posted on Geforce forums?
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post #3116 of 5314
Thanks Nukemaster and masterotaku...Regarding my question #4, I meant Lightboost strobing is literally brighter than standard mode (no strobing at all) on the Asus VG248QE. When Lightboost gets enabled, the monitor becomes very bright, brighter than the VG248QE in standard mode at 30% beightness. It's eye-searing, that's why I don't understand why all other strobing modes ("ULMB", "Blur Reduction Mode", etc.) are so dim.

I had 3 VG248QEs and my room woukd light up like a Christmas tree when Lightboost would come on for 3D gaming (I love on 3D). on the other hand, ULMB, Blur Reduction Mode, etc. are so dim that some people are turned off by it. Complete opposite to Lightboost yet they're all just strobing the backlight.

Maybe someone with a PG278Q or S2716DG can do a comparison of Lightboost mode and ULMB...
Edited by spin5000 - 10/2/16 at 8:43am
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post #3117 of 5314
Quote:
Originally Posted by writer21 View Post

Was this posted on Geforce forums?

I had posted about it in this thread, near the bottom of the page: https://forums.geforce.com/default/topic/967604/3d-vision/g-sync-3d-vision-together-any-hope-/

Finding someone with a 3D Vision kit and my same monitor elsewhere is almost impossible, as you have seen by the failure of my reddit post. Absolutely no one that posted there could try it properly. Damn, I just need one confirmation of another person frown.gif.

If I want Nvidia to see it, what's the best place to post it? The drivers section?
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post #3118 of 5314
I was rereading it, so the 3d vision equipment is mandatory?
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post #3119 of 5314
Quote:
Originally Posted by TheGlow View Post

I was rereading it, so the 3d vision equipment is mandatory?

Unless Falkentine's suggestion from the previous page works, yes. Because you need to enable Lightboost, and in theory it can't be done unless the driver recognises the emitter.
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post #3120 of 5314
Did someone summon me?



Hmm.....
Ok, are you trying to get the 3d vision 2 page to recognize the monitor without 3d glasses?
That's the first problem. We need to see if 3d vision can be tricked to recognizing the monitor.

Try the following:

1) Download ToastyX Custom Resolution Utility

2) Run it, pull the monitor name from the top, or whichever entry is "Active", click edit and write down the original "Product ID" somewhere.
Then change the product ID to ACI27F8
This should be the very first option at the top.

3) Then close it and import this registry file: http://www.blurbusters.com/files/ForceLightBoostWithoutGlasses.reg
(I don't know for sure if this is necessary but it won't hurt anything)

Then reboot the computer.

Now, go to the NVCP and the stereoscopic 3D area and see if if you click "Enable 3D", if an option for "Asus 120hz 3d LCD" is there, and also if there is a box below that for "keep 3d always enabled on the desktop". if there is, you're halfway there, and the hardest part is already done.
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