Can you turn off LightBoost in 3D?
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On a monitor that support LightBoost, when you go into 3D mode, is it possible to completely turn it off in this mode?
On a monitor that support LightBoost, when you go into 3D mode, is it possible to completely turn it off in this mode?

#1
Posted 12/31/2014 02:30 PM   
Yes you can turn it off
Yes you can turn it off

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#2
Posted 12/31/2014 02:54 PM   
I womder why to turn off LightBoost when this technology make 3D playing much better
I womder why to turn off LightBoost when this technology make 3D playing much better

#3
Posted 12/31/2014 06:09 PM   
[quote="ksyon"]I womder why to turn off LightBoost when this technology make 3D playing much better[/quote] Maybe it does, I'll find out soon, but I just like to have this as an option because of the downsides. Here's a quote from BlurBusters (reg. LightBoost): [quote]Main Pros: + Elimination of motion blur. CRT perfect clarity motion. + Improved competitive advantage by faster human reaction times. + Far more fluid than regular 120Hz or 144Hz. + Fast motion is more immersive. Main Cons: – Reduced brightness. – Degradation of color quality. – Flicker, if you are flicker sensitive. – Requires a powerful GPU to get full benefits.[/quote]
ksyon said:I womder why to turn off LightBoost when this technology make 3D playing much better

Maybe it does, I'll find out soon, but I just like to have this as an option because of the downsides. Here's a quote from BlurBusters (reg. LightBoost):

Main Pros:
+ Elimination of motion blur. CRT perfect clarity motion.
+ Improved competitive advantage by faster human reaction times.
+ Far more fluid than regular 120Hz or 144Hz.
+ Fast motion is more immersive.

Main Cons:
– Reduced brightness.
– Degradation of color quality.
– Flicker, if you are flicker sensitive.
– Requires a powerful GPU to get full benefits.

#4
Posted 01/02/2015 12:24 PM   
[quote="VarHyid"][quote="ksyon"]I womder why to turn off LightBoost when this technology make 3D playing much better[/quote] Maybe it does, I'll find out soon, but I just like to have this as an option because of the downsides. Here's a quote from BlurBusters (reg. LightBoost): [quote]Main Pros: + Elimination of motion blur. CRT perfect clarity motion. + Improved competitive advantage by faster human reaction times. + Far more fluid than regular 120Hz or 144Hz. + Fast motion is more immersive. Main Cons: – Reduced brightness. – Degradation of color quality. – Flicker, if you are flicker sensitive. – Requires a powerful GPU to get full benefits.[/quote][/quote] Ehrm.... I'm sorry, but WUT? Lightboost increases brightness in 3D, not decreases. That's why it's called LIGHTBOOST. Also maybe someone can correct me if I am wrong, but since Lightboost is a function of the monitor and not the GPU, there should be absolutely no performance difference in terms of GPU workload.
VarHyid said:
ksyon said:I womder why to turn off LightBoost when this technology make 3D playing much better

Maybe it does, I'll find out soon, but I just like to have this as an option because of the downsides. Here's a quote from BlurBusters (reg. LightBoost):

Main Pros:
+ Elimination of motion blur. CRT perfect clarity motion.
+ Improved competitive advantage by faster human reaction times.
+ Far more fluid than regular 120Hz or 144Hz.
+ Fast motion is more immersive.

Main Cons:
– Reduced brightness.
– Degradation of color quality.
– Flicker, if you are flicker sensitive.
– Requires a powerful GPU to get full benefits.


Ehrm.... I'm sorry, but WUT? Lightboost increases brightness in 3D, not decreases. That's why it's called LIGHTBOOST.

Also maybe someone can correct me if I am wrong, but since Lightboost is a function of the monitor and not the GPU, there should be absolutely no performance difference in terms of GPU workload.

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#5
Posted 01/02/2015 04:08 PM   
That's a quote from BlurBusters - this guy really knows what he's talking about. I'm guessing he may be referring to LightBoost in 2D mode where normally you would have the panel backlit all the time, but with Lightboost it's going to flicker in order to "hide" ghosting. Maybe in 3D that's not really the case, maybe it isn't perceived as flickering that much given that you're also using shutter glasses that are in sync with the flicker - not sure, though personally I'm more worried about the degradation of color quality and flicker issues. Reg. GPU, I think he meant that you need to actually have a game pushing 120 fps in order to fully benefit from this otherwise, if you get any less, LightBoost won't help you that much. In fact, it may even expose stuttering even more than without it as without it, ghosting may (ironically) "help" at lower fps. But keep in mind, I have little idea what I'm talking about, I've been researching this in the last weeks and that's basically what I got from it ;)
That's a quote from BlurBusters - this guy really knows what he's talking about. I'm guessing he may be referring to LightBoost in 2D mode where normally you would have the panel backlit all the time, but with Lightboost it's going to flicker in order to "hide" ghosting.

Maybe in 3D that's not really the case, maybe it isn't perceived as flickering that much given that you're also using shutter glasses that are in sync with the flicker - not sure, though personally I'm more worried about the degradation of color quality and flicker issues.

Reg. GPU, I think he meant that you need to actually have a game pushing 120 fps in order to fully benefit from this otherwise, if you get any less, LightBoost won't help you that much. In fact, it may even expose stuttering even more than without it as without it, ghosting may (ironically) "help" at lower fps.

But keep in mind, I have little idea what I'm talking about, I've been researching this in the last weeks and that's basically what I got from it ;)

#6
Posted 01/02/2015 04:27 PM   
[quote="VarHyid"][quote="ksyon"]I womder why to turn off LightBoost when this technology make 3D playing much better[/quote] Maybe it does, I'll find out soon, but I just like to have this as an option because of the downsides. Here's a quote from BlurBusters (reg. LightBoost): [quote]Main Pros: + Elimination of motion blur. CRT perfect clarity motion. + Improved competitive advantage by faster human reaction times. + Far more fluid than regular 120Hz or 144Hz. + Fast motion is more immersive. Main Cons: – Reduced brightness. – Degradation of color quality. – Flicker, if you are flicker sensitive. – Requires a powerful GPU to get full benefits.[/quote][/quote] Hi, regardless of whether this site knows their stuff, with the exception of item 2 (color degradation, which I am unable to comment on), these "cons" are nonsense in my opinion. Lightboost increases brightness massively, it does not introduce any flicker at all (it's running at 120 Hz of course), and GPU has absolutely nothing to do with it - he seems to be confusing refresh rate (which is *always* 120Hz) with FPS, which is variable. If there is anyone out there who can detect 120 Hz flickering, they are unfortunate indeed, and certainly exceptional. The article itself you quote mentions "perfect clarity" and "fluid", so I am not sure how that reconciles with flicker? Seriously, if you want to game in 3D, get Lightboost because it drastically improves the brightness and color saturation (I can comment on that much based on experience) with absolutely no downside. That being said, you *can* disable lightboost, but then why buy a lightboost monitor? If you already have a lightboost monitor, why not just try the difference? I am not sure how helpful I am being, I guess I am a bit thrown by the whole idea that lightboost reduces brightness...
VarHyid said:
ksyon said:I womder why to turn off LightBoost when this technology make 3D playing much better

Maybe it does, I'll find out soon, but I just like to have this as an option because of the downsides. Here's a quote from BlurBusters (reg. LightBoost):

Main Pros:
+ Elimination of motion blur. CRT perfect clarity motion.
+ Improved competitive advantage by faster human reaction times.
+ Far more fluid than regular 120Hz or 144Hz.
+ Fast motion is more immersive.

Main Cons:
– Reduced brightness.
– Degradation of color quality.
– Flicker, if you are flicker sensitive.
– Requires a powerful GPU to get full benefits.


Hi, regardless of whether this site knows their stuff, with the exception of item 2 (color degradation, which I am unable to comment on), these "cons" are nonsense in my opinion. Lightboost increases brightness massively, it does not introduce any flicker at all (it's running at 120 Hz of course), and GPU has absolutely nothing to do with it - he seems to be confusing refresh rate (which is *always* 120Hz) with FPS, which is variable. If there is anyone out there who can detect 120 Hz flickering, they are unfortunate indeed, and certainly exceptional. The article itself you quote mentions "perfect clarity" and "fluid", so I am not sure how that reconciles with flicker?

Seriously, if you want to game in 3D, get Lightboost because it drastically improves the brightness and color saturation (I can comment on that much based on experience) with absolutely no downside. That being said, you *can* disable lightboost, but then why buy a lightboost monitor? If you already have a lightboost monitor, why not just try the difference?

I am not sure how helpful I am being, I guess I am a bit thrown by the whole idea that lightboost reduces brightness...

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#7
Posted 01/02/2015 04:58 PM   
That's where I've got the info from, feel free to check it out: http://www.blurbusters.com/zero-motion-blur/lightboost-faq/ As he says right away in "what LightBoost does" is "make image brighter with 3D glasses". However in 2D, I'm not so sure about it. I've seen a TV with this technology (or some "iteration" of it), it's advertised as "reducing motion blur" and yes - it does the job, but the whole picture is darker when this mode is on and when I look at it, it's... "uncomfortable" (for the lack of a better word). That said, I saw this in 2D, for 3D it may be perfectly fine because, as I've said earlier, you also have your shutter glasses "flickering" in front of you so if you get short bursts of light each time a frame is drawn, it may indeed be brighter, sure. Still, the reason I asked was because I wanted to know if at least I'd have an option to control this. Maybe I'd prefer to leave it on. Maybe not, I worry about the "inversion artifacts", maybe they're exposed more when LightBoost is on - I don't know, but again, I like to have options and I'm happy to hear that such option is there :) That said, after a looong research, I think I'll buy a BenQ XL2420Z monitor and once I do, I'll definitely make some tests and see how it all works, what looks better, what produces artifacts etc. I'll probably post here with the results :)
That's where I've got the info from, feel free to check it out: http://www.blurbusters.com/zero-motion-blur/lightboost-faq/


As he says right away in "what LightBoost does" is "make image brighter with 3D glasses". However in 2D, I'm not so sure about it. I've seen a TV with this technology (or some "iteration" of it), it's advertised as "reducing motion blur" and yes - it does the job, but the whole picture is darker when this mode is on and when I look at it, it's... "uncomfortable" (for the lack of a better word).

That said, I saw this in 2D, for 3D it may be perfectly fine because, as I've said earlier, you also have your shutter glasses "flickering" in front of you so if you get short bursts of light each time a frame is drawn, it may indeed be brighter, sure.

Still, the reason I asked was because I wanted to know if at least I'd have an option to control this. Maybe I'd prefer to leave it on. Maybe not, I worry about the "inversion artifacts", maybe they're exposed more when LightBoost is on - I don't know, but again, I like to have options and I'm happy to hear that such option is there :)

That said, after a looong research, I think I'll buy a BenQ XL2420Z monitor and once I do, I'll definitely make some tests and see how it all works, what looks better, what produces artifacts etc. I'll probably post here with the results :)

#8
Posted 01/02/2015 05:27 PM   
I wouldn't be so sure about reduced brightness, but the color quality degradation is quite apparent. To me it's not a big deal, though. The advantages of using Lightboost in (competitive) fast-paced 2D games is immense. It's pretty much equal to my old CRT display at some 130+ Hz. It's truly incredible, there's just so much more "data" that was missing for some years. With that said, I've seen and read your previous threads too. The inversion effect is indeed a bit crap in some games, like Civilization 5 and whatnot. But that's solely because you have to read text. In anything else story-based, single player or whatever, it's amazing and worth it. Although I'm a projector convert, I always loved 3D on the display too. FYI, the inversion effect does not occur with LightBoost on in 2D mode. Do note that if you have even slight off-set in your eyes, the 3D won't work all too well. This has been apparent as a result of testing out some setups with friends of mine. Past certain depths they do not process the image properly, as a result of a miniscule off-set that would not be apparent in any regular day-to-day activities. Continued usage seems to improve this, however.
I wouldn't be so sure about reduced brightness, but the color quality degradation is quite apparent. To me it's not a big deal, though. The advantages of using Lightboost in (competitive) fast-paced 2D games is immense. It's pretty much equal to my old CRT display at some 130+ Hz. It's truly incredible, there's just so much more "data" that was missing for some years.

With that said, I've seen and read your previous threads too. The inversion effect is indeed a bit crap in some games, like Civilization 5 and whatnot. But that's solely because you have to read text. In anything else story-based, single player or whatever, it's amazing and worth it. Although I'm a projector convert, I always loved 3D on the display too.

FYI, the inversion effect does not occur with LightBoost on in 2D mode.


Do note that if you have even slight off-set in your eyes, the 3D won't work all too well. This has been apparent as a result of testing out some setups with friends of mine. Past certain depths they do not process the image properly, as a result of a miniscule off-set that would not be apparent in any regular day-to-day activities. Continued usage seems to improve this, however.

#9
Posted 01/02/2015 05:36 PM   
What kind of off-set are you talking about? I am a bit short-sighted and may have slight astigmatism in one eye (and wearing glasses... as in "2D glasses" ;) ). I have seen a few videos on YouTube, like this one: https://www.youtube.com/watch?v=U-FULuWN1eg if you watch this on something that does NOT support 3D, like I did on my tablet, then YouTube will show you two images side-by-side in this video. If you find a certain focus point at a certain distance while watching this, you'll see an image in between in 3D... without any glasses, I'm sure you're familiar with this. Anyway, my point is - I can see it very clearly, awesome depth. Of course it looks squished because YouTube puts two 16:9 videos side by side, but I can definitely see the depth. Not sure how this affects "real 3D" with the shutter glasses, but I am able to see a 3D image with depth on a standard stereoscopic image/video. -----------EDIT---------- Actually, YouTube gives you an option to choose what type of 3D you want so in "side by side" mode I can see it.
What kind of off-set are you talking about? I am a bit short-sighted and may have slight astigmatism in one eye (and wearing glasses... as in "2D glasses" ;) ).

I have seen a few videos on YouTube, like this one: if you watch this on something that does NOT support 3D, like I did on my tablet, then YouTube will show you two images side-by-side in this video. If you find a certain focus point at a certain distance while watching this, you'll see an image in between in 3D... without any glasses, I'm sure you're familiar with this.

Anyway, my point is - I can see it very clearly, awesome depth. Of course it looks squished because YouTube puts two 16:9 videos side by side, but I can definitely see the depth. Not sure how this affects "real 3D" with the shutter glasses, but I am able to see a 3D image with depth on a standard stereoscopic image/video.

-----------EDIT----------

Actually, YouTube gives you an option to choose what type of 3D you want so in "side by side" mode I can see it.

#10
Posted 01/02/2015 07:09 PM   
I've been using the VG248 with DIY kit, and thus have LightBoost now, and g-Sync, and MotionBlur. The basic story is that both of those things are true. It's dimmer in 2D with LightBoost/MotionBlur enabled. A LOT dimmer. I find the monitor to be actually painfully too bright when MotionBlur is disabled. Not sure why 50% on brightness is so outrageously bright that it hurts. In any case, enabling MotionBlur (Doesn't work at 60 Hz or 144 Hz here) makes it dimmer but also gives you that CRT feel that BlurBusters cares deeply about. It's dimmer because the backlight is off most of the time. In 3D mode, it's normal LightBoost, and it makes it brighter. This is not inconsistent, there is a pulsing/flash effect when they fire the backlight at the right time. But they fire it when the shutters are fully open, so you get more light than you otherwise would, because the shutters are mostly closed. I'm glad that Blurbuster type people care about this stuff. We got those 120Hz monitors for 3D originally, and we all know the usual fade of 3D hardware being shipped. In this case, it has great help for twitch gamers, and thus has made the monitors more viable. Hence more of them, and cheaper.
I've been using the VG248 with DIY kit, and thus have LightBoost now, and g-Sync, and MotionBlur.

The basic story is that both of those things are true. It's dimmer in 2D with LightBoost/MotionBlur enabled. A LOT dimmer. I find the monitor to be actually painfully too bright when MotionBlur is disabled. Not sure why 50% on brightness is so outrageously bright that it hurts.

In any case, enabling MotionBlur (Doesn't work at 60 Hz or 144 Hz here) makes it dimmer but also gives you that CRT feel that BlurBusters cares deeply about. It's dimmer because the backlight is off most of the time.

In 3D mode, it's normal LightBoost, and it makes it brighter. This is not inconsistent, there is a pulsing/flash effect when they fire the backlight at the right time. But they fire it when the shutters are fully open, so you get more light than you otherwise would, because the shutters are mostly closed.


I'm glad that Blurbuster type people care about this stuff. We got those 120Hz monitors for 3D originally, and we all know the usual fade of 3D hardware being shipped. In this case, it has great help for twitch gamers, and thus has made the monitors more viable. Hence more of them, and cheaper.

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#11
Posted 01/02/2015 07:58 PM   
– Requires a powerful GPU to get full benefits. What does this mean? o_O
– Requires a powerful GPU to get full benefits.
What does this mean? o_O

#12
Posted 01/03/2015 12:20 AM   
[quote="ksyon"]– Requires a powerful GPU to get full benefits. What does this mean? o_O[/quote] In order to get a meaningful benefit you need to have high enough FPS for whatever it is you're playing.
ksyon said:– Requires a powerful GPU to get full benefits.
What does this mean? o_O

In order to get a meaningful benefit you need to have high enough FPS for whatever it is you're playing.

#13
Posted 01/03/2015 05:21 AM   
I see no relation between LightBoost and FPS
I see no relation between LightBoost and FPS

#14
Posted 01/03/2015 04:27 PM   
[quote="ksyon"]I see no relation between LightBoost and FPS[/quote] The purpose of LightBoost is to get rid of any ghosting and show you every single frame as clear as possible. However, once you see each frame very clearly, you may want to have one new frame for EVERY refresh. In case of a 120Hz display, that's obviously 120 fps. If you get any less than that, LightBoost will actually expose any microstutter you'll get from dropped frames which would normally be a bit concealed by ghosting/motion blur. Bottom line - if you want the best out of LightBoost at 120 Hz, your GPU should be able to push constant 120 fps without dropping frames.
ksyon said:I see no relation between LightBoost and FPS

The purpose of LightBoost is to get rid of any ghosting and show you every single frame as clear as possible. However, once you see each frame very clearly, you may want to have one new frame for EVERY refresh. In case of a 120Hz display, that's obviously 120 fps.

If you get any less than that, LightBoost will actually expose any microstutter you'll get from dropped frames which would normally be a bit concealed by ghosting/motion blur. Bottom line - if you want the best out of LightBoost at 120 Hz, your GPU should be able to push constant 120 fps without dropping frames.

#15
Posted 01/03/2015 06:54 PM   
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