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LightBoost, G-SYNC, Turbo240: 120Hz Strobe Backlight LCDs / No Motion Blur! - Page 282

post #2811 of 2929
Native 30fps footage looks nothing like 120, no matter what interpolation is done, by the same method that 540p content looks nothing like 1080 with upscaling

even if it looks good, native 60/120 would look worlds better biggrin.gif
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post #2812 of 2929
Quote:
Originally Posted by Cyro999 View Post

Native 30fps footage looks nothing like 120, no matter what interpolation is done, by the same method that 540p content looks nothing like 1080 with upscaling

even if it looks good, native 60/120 would look worlds better biggrin.gif

Worlds better seems like an exaggeration to me. I've played at 120fps, recorded, and watched at 120fps(frame interpolation) and true 120hz was better, but not worlds better. I don't know, it's subjective I guess. I do find frame interpolation looks horrid on a TV, but I enjoy it on a true 120hz monitor. I always get crap here for saying that. tongue.gif
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post #2813 of 2929
Quote:
Originally Posted by Cyro999 View Post

Native 30fps footage looks nothing like 120, no matter what interpolation is done, by the same method that 540p content looks nothing like 1080 with upscaling

even if it looks good, native 60/120 would look worlds better biggrin.gif

Disagree. Frame interpolation is getting better and better. The real problem with interpolation is the interpolation computation latency + the need to have frame n and frame n-1 in order to make frame n-0.5.
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post #2814 of 2929
Ok, i'l try to see some newer stuff! Interesting if you can use it to strobe content that it would otherwise be pointless for (strobing 30fps video 4 times per frame = still bad motion blur)
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post #2815 of 2929
Thread Starter 
For BENQ Z-series monitor users (XL2720Z, XL2411Z, XL2420Z), the free Blur Busters Strobe Utility is coming on March 12th:
http://www.blurbusters.com/benq-strobe-utility-announcement/



This utility can fix the strobe mis-timing problem on BENQ Z-series monitors, but only if you have a newer factory manufacture date (this utility WILL NOT WORK on the first shipped BENQ Z-series monitors). The monitor needs firmware that's dated mid-December or newer, in order to work with the Blur Busters Strobe Utility.

Features:
  • Adjustable persistence from 0.5ms to 4.0ms. Very wide strobe flash length adjustment range!
  • 0.5ms persistence is sharper motion than LightBoost=10% (and much dimmer)
  • 4.0ms persistence is brighter than LightBoost=100% (and slightly less clear motion)
  • The crosstalk adjustment can fix the BENQ strobe mis-timing bug
  • Allow even wider brightness adjustment range (make your BENQ much dimmer if BENQ is still too bright)
  • Enables 60Hz strobing (very flickery, not good on eyes, but it's there in case flicker-tolerant, good for 60fps stuff, including locked games and emulators

This is a Windows app like a ToastyX Strobelight, but specifically targeted to tweaking BENQ Blur Reduction.
Edited by mdrejhon - 3/3/14 at 7:54pm
post #2816 of 2929
That looks amazing
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post #2817 of 2929
Thread Starter 
Quote:
Originally Posted by Cyro999 View Post

Ok, i'l try to see some newer stuff! Interesting if you can use it to strobe content that it would otherwise be pointless for (strobing 30fps video 4 times per frame = still bad motion blur)
You need one flicker per frame for the zero motion blur effect -- and 30fps is too low, so you need interpolation to bring framerates above flicker fusion rate. So you're stuck with using interpolation if you're limited to 30fps.

For interpolation to be low-lag, you really need high framerates. Interpolating 30fps->60fps has lots of input lag, while interpolating 120fps->240fps has far less input lag. One frame-lookahead interpolation becomes 1/120sec (8ms lag) instead of 1/30sec (33ms lag). Until ultra high frame rates happens (and we have even-higher-refresh-rate displays), interpolation is not good for games/computers.
post #2818 of 2929
How is that 60hz strobing on the monitor besides the flicker? Is there a double image like when I run 60fps @ 120fps lightboost or is it very sharp?

Also how are the colors on the benq xl 2420z monitor? Can I get them looking very good after using a profile for lightboost and regular 144hz?

I would like a comparison between asus VG278HE monitor and 2420z for colors in lightboost, 144hz mode, and input lag with lightboost on and off.
Edited by writer21 - 3/4/14 at 5:01am
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post #2819 of 2929
Does the 2420Z allow for different strobes at a time? As in it'll strobe from 75-120Hz.
post #2820 of 2929
Quote:
Originally Posted by Jack Mac View Post

Does the 2420Z allow for different strobes at a time? As in it'll strobe from 75-120Hz.

What you're asking for is a variable refresh rate (i.e. G-SYNC) combined with a strobe backlight? Doesn't exist yet, even with the upcoming G-SYNC models.

@ Writer

It's pretty sharp. I can't personally assess it properly and won't be looking at it in my upcoming review because I can't stand the flickering - and neither could anybody else looking at the monitor with me. 100Hz strobe performance is much more pleasing, however.
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