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LightBoost, G-SYNC, Turbo240: 120Hz Strobe Backlight LCDs / No Motion Blur! - Page 116

post #1151 of 2929
Thread Starter 
Quote:
Originally Posted by Shiftstealth View Post

OMG what a difference this made i haven't used a CRT since i was like 10, i'm 24 now. This made a huge difference. I'm tossing my 2560x1440 over it!
Posts: 1,337

That was your 1337th post -- and if you don't know what that means -- google "1337".
post #1152 of 2929
Quote:
Originally Posted by mdrejhon View Post

I'm just saying that to easily tell apart LightBoost 10% vs 100%, you generally need nearly perfect stutter-free motion, which mainly occurs at either:
-- VSYNC ON (perfect 120fps@120Hz, no slowdowns)
-- VSYNC OFF (framerate massively exceeding Hz, to eliminate harmonic stutters between fps and Hz -- e.g. 125fps@120Hz can cause 5 stutters per second -- the beat frequency). e.g. uncapped fraomerate in Source engine games; (or very high fps_max values)

You can also use Adaptive VSYNC, to eliminate most of the input lag disadvantages of VSYNC ON (especially sudden surges of input lag everytime the framerate halves itself -- Adaptive VSYNC fixes that disadvantage).
VSYNC OFF is better for competitive gameplay, though some people (like me) prefer VSYNC ON for solo gameplay when the lag doesn't matter but that the fluidity matters more.

It's a matter of personal preference.

I honestly can't tell the difference between lightboost at 100% and at 10%. I guess I'm not that sensitive to motion blur then.
post #1153 of 2929
Quote:
Originally Posted by Art Vanelay View Post

I honestly can't tell the difference between lightboost at 100% and at 10%. I guess I'm not that sensitive to motion blur then.

Tested it under perfect conditions as Mark described? Like in pixperan, or in a situation where you have perfect VSYNCed motion? I noticed straight away in Pixperan
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post #1154 of 2929
Quote:
Originally Posted by hamzatm View Post

Tested it under perfect conditions as Mark described? Like in pixperan, or in a situation where you have perfect VSYNCed motion? I noticed straight away in Pixperan
I was using pixperan, and couldn't see any difference.
post #1155 of 2929
Speed 30 readability test, moving your head side to side and you can just about read the whole text?
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post #1156 of 2929
With 10% reading 30 is easy with 100% you will miss 2-3 letters at the middle or so from what I remember
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post #1157 of 2929
Thread Starter 
Quote:
Originally Posted by Art Vanelay View Post

I honestly can't tell the difference between lightboost at 100% and at 10%. I guess I'm not that sensitive to motion blur then.
Here's an easier way to compare.
Lean forward so your head is only 1 feet away from the screen.
Now, alternate between LightBoost=0% and LightBoost=10% while staring at "I NEED MORE SOCKS"
(do not look at monitor menus, look at the "I NEED MORE SOCKS" instead of the monitor menus when adjusting)

LightBoost=0% has the same amount of motion blur as LightBoost=100%, so switching between 0% (max lightboost blur) and 10% (min lightboost blur) is a good contrast to compare.

If you still can't tell, don't worry -- not everyone is sensitive enough to these ultra-subtle differences in motion blur. But many of us can still see the difference. Make sure pixperan is properly running at 120fps (check the framerate counter at the upper right corner).

To human eyes, the difference between regular-versus-LightBoost is a bigger jump than LightBoost 100%-versus-10%.
Edited by mdrejhon - 6/14/13 at 6:51am
post #1158 of 2929
I switched my Samsung S23A950D to the frame-sequential 3D mode and I can't tell a difference in both response time and smoother game play. Do I need to apply some setting in my Catalyst Control Center in order for this to work?
post #1159 of 2929
Thread Starter 
Quote:
Originally Posted by SDub View Post

I switched my Samsung S23A950D to the frame-sequential 3D mode and I can't tell a difference in both response time and smoother game play. Do I need to apply some setting in my Catalyst Control Center in order for this to work?
No, if your monitor's OSD says "3D Mode Enabled", you're already set. But did you change your pixel response first before you enabled 3D mode? (Samsung HOWTO)

Also, not everyone is sensitive to motion blur. From the LightBoost FAQ:
Quote:
Q: LightBoost doesn't eliminate motion blur for me. Why?

First, verify LightBoost is turned on. The monitor on-screen menus should say "3D MODE" (even for 2D), and "LightBoost" setting should be unlocked in the monitor menus.
If LightBoost is already enabled, see below:

Pre-requisites
  1. Frame rate matches or exceeds refresh rate (e.g. 120fps @ 120Hz).
    LightBoost motion blur elimination is not noticeable at 60 frames per second.
  2. You are using a sufficiently powerful GPU, preferably GeForce 680, 780 or Titan.
  3. You are tracking your eyes on fast-moving objects (e.g. fast-panning screen)
  4. Turn off your game's motion blur effect. Many games add motion blur as a GPU effect.

Troubleshooting
  1. Try a motion test such as PixPerAn, to verify motion.
  2. Try perfect motion fluidity (fps matching Hz) by testing VSYNC ON temporarily.
  3. Try eliminating the computer mouse as a stutter factor. Temporarily test using keyboard. Mouse stutters can motion blur.
  4. Do the game fluidity test below:

Game Test With Perfect Motion Fluidity
(A) Load an older FPS game that can consistently run at over 120 frames per second.
(e.g. Half Life 2, Counter Strike, Team Fortress 2, Quake Live, Borderlands);
(B) Temporarily turn VSYNC ON; This is important during this temporary test;
(C) Ensure the frame rate is matching refresh rate (e.g. 120fps @ 120Hz);
(D) Strafe fast in front of a high-resolution wall via the keyboard (left/right arrow keys);
(E) Track your eyes on objects on the wall (e.g. poster) while you're strafing left/right. Repeat the test with LightBoost enabled and disabled. There will be far less motion blur with LightBoost enabled. Small text on walls will be more readable while strafing.

Human Factors
  • Your ability to track fast-moving objects; and your sensitivity to motion blur.
  • Whether or not you are used to CRT gaming. (LightBoost brings the CRT effect to LCD)
  • Some people growing up today, has never played on a CRT before. Such individuals may be less likely to notice quickly.
  • Some people only have a habit of eye-tracking only slower-moving objects.
  • Specific play styles. Strafing sideways & turning motions benefits more than walking forward.
  • Sensitivity to input lag, flicker, etc. (You benefit more if you don’t feel any effects from input lag or flicker)
  • Some people have vision limitations that prevent seeing motion blur elimination on strobe displays (CRT, LightBoost)

Computer Factors That Hurt LightBoost
  • Ability to run frame rate equalling Hz for best LightBoost benefit. (e.g. 120fps@120Hz).
  • Judder/stutter control. Too much judder can kill LightBoost motion clarity benefits.
  • Framerate limits. Some games cap to 60fps, this needs to be uncapped (e.g. fps_max)
  • Faster motion benefits more. Not as noticeable during slow motion.
  • Specific games. e.g. Team Fortress 2 benefits far more than World of Warcraft.
  • Some games stutters more with VSYNC ON, while others stutters more with VSYNC OFF. Test opposite setting.
  • High quality mouse (e.g. 1000 Hz gaming mouse). Ordinary mice adds too much judder, eliminating LightBoost benefit.

Example of Game Play Benefitting From Elimination of Motion Blur:
  • Fast 180-degree flick turns in FPS shooting;
  • Shooting while turning, without stopping turning (easier on CRT or LightBoost);
  • Close-up strafing, especially circle strafing;
  • Running while looking at the ground (e.g. hunting for tiny objects quickly);
  • Identifying multiple far-away enemies or small targets, while turning fast;
  • Playing fast characters such as “Scout” in Team Fortress 2;
  • High-speed low passes, such as low helicoptor flybys in Battlefield 3, you aim better.

For people who have gameplay styles in fast-action video games, such people can gain a massive competitive advantage during fast-motion activities, because it is possible to react faster. Without motion blur, enemies are easier to identify while you’re still in fast motion. Even out of the corner of your eyes, even before you stop moving. Without motion blur, fast panning motion look as perfectly sharp as being stationary.
post #1160 of 2929
Which 27" would you recomend if you had to buy one now? (not interested in 24" models)

I also dont care about the 3D/glasses, just want to use it in 2D + Lightboost.

Asus VG278HE / Benq XL2720T / Acer HN274H (This last one seems to be the least popular) ??


Regards.
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