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LightBoost, G-SYNC, Turbo240: 120Hz Strobe Backlight LCDs / No Motion Blur! - Page 129

post #1281 of 2929
Thread Starter 
The beta version of the Blur Busters UFO Motion Tests have launched.
It's a free web-based PixPerAn clone.

www.testufo.com

Fun tests, try these with LightBoost ON/OFF
- TestUFO: 30fps vs 60fps vs 120fps
- TestUFO: Moving Photo
- TestUFO: Scrolling Text
- TestUFO: Eye Tracking Demo

For 120fps, use Chrome (any) or FireFox 24+ (pre-beta), the only browsers supporting 120Hz animations. Test your browser's 120Hz support. Quit all applications and background pages, to stop the stutters. I will probably eventually split this off into a separate thread since these motion tests interest all PixPerAn users, but this is a beta test and I want LightBoost users to be the first to test this.

It's good for diagnosing LightBoost, too!
Edited by mdrejhon - 7/15/13 at 11:33pm
post #1282 of 2929
Quote:
Originally Posted by mdrejhon View Post

The beta version of the Blur Busters UFO Motion Tests have launched.
It's a free web-based PixPerAn clone.

www.testufo.com

Fun tests, try these with LightBoost ON/OFF
- TestUFO: 30fps vs 60fps vs 120fps
- TestUFO: Moving Photo
- TestUFO: Scrolling Text
- TestUFO: Eye Tracking Demo

For 120fps, use Chrome (any) or FireFox 24+ (pre-beta), the only browsers supporting 120Hz animations. Test your browser's 120Hz support. Quit all applications and background pages, to stop the stutters. I will probably eventually split this off into a separate thread since these motion tests interest all PixPerAn users, but this is a beta test and I want LightBoost users to be the first to test this.

It's good for diagnosing LightBoost, too!

Good stuff thumb.gif
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post #1283 of 2929
Thread Starter 
Showing Off LightBoost To Computer Neophytes

TestUFO makes it easy to show off LightBoost to the less computer-literate. If you want to show friends and family members how big a difference LightBoost makes:

1. Install ToastyX Strobelight with hotkeys enabled.
To do this, install BOTH 120Hz(strobed) plus 121Hz or 144Hz in Strobelight Setup. This enables you to turn ON/OFF Lightboost via hotkeys.

2. Reboot, run Strobelight. Lightbulb will show in system tray.
For showoff purposes, you may want to pre-adjust brightness (NON-lightboost) to approximately equal the brightness of LightBoost=100%

3. Load TestUFO: Moving Photo at http://www.testufo.com/#test=photo
Use Chrome browser, or the new Opera 15+, or the new FireFox 24+ pre-Beta. These web browsers have 120Hz VSYNC support

4. While viewing the moving photo, turn ON/OFF LightBoost
Control+Alt+Plus -- Turn ON LightBoost
Control+Alt+Minus -- Turn OFF LightBoost
Dramatic difference! The moing photo is much clearer with LightBoost enabled.

Everyone I have showed this too, have instantly noticed the LightBoost motion clarity difference; even to people barely use computers.

_____________________

Bonus extra step to show off: Easily see the tiny motion clarity difference between LightBoost=10% and LightBoost=100% by speeding up the photo to 1440 pixels/second, then hitting Control+Alt+0 versus Control+Alt+1. This switches between LightBoost 100% and LightBoost=10%. You will see window frames become clearer -- especially in the castle at the top of the photo! That's your human eyes seeing the 1ms difference between LB=10% versus LB=100%. (1440pixels/sec -- 1 milliseconds translates to 1.44 pixels of extra motion blur -- enough to see window frames blurring at LB=100%)
Edited by mdrejhon - 7/17/13 at 8:41am
post #1284 of 2929
Quote:
Originally Posted by CallsignVega View Post

Yes, I have been able to overclock HDMI and single-link DVI (essentially the same) to gain enough bandwidth to allow 120 Hz 1080P. It's how I got 120 Hz 5x1 portrait working. Your mileage may vary on the card and cable being used.

Hey I've been unsuccessful with going above 85hz @ 1080 with HDMI. What could be the problem, I've tried different cables.
post #1285 of 2929
Thread Starter 
Overclocking single-link DVI to 1080p@120Hz is not very easy to do, you need the right graphics card (DVI transmitter chip), a good DVI cable, and the right display (DVI receiver chip). The whole chain needs to be top-notch in order for it to work, and even so, no guarantees.

Also, HDMI has the bandwidth of dual-link DVI, so the factors for HDMI is slightly different. But when using a single-link HDMI to DVI adaptor (most are single-link), then this is also all relevant. All bleeding edge territory.

raum, what graphics cards are you using? It may not be able to overclock its own single-link DVI to 1080p@120Hz. Vega is using GeForce Titan's.
post #1286 of 2929
Quote:
Originally Posted by mdrejhon View Post

Overclocking single-link DVI to 1080p@120Hz is not very easy to do, you need the right graphics card (DVI transmitter chip), a good DVI cable, and the right display (DVI receiver chip). The whole chain needs to be top-notch in order for it to work, and even so, no guarantees.

Also, HDMI has the bandwidth of dual-link DVI, so the factors for HDMI is slightly different. But when using a single-link HDMI to DVI adaptor (most are single-link), then this is also all relevant. All bleeding edge territory.

raum, what graphics cards are you using? It may not be able to overclock its own single-link DVI to 1080p@120Hz. Vega is using GeForce Titan's.

I'm using a gtx460m in an Asus g73sw laptop. Does this mean I can't make it happen? :]
I have one more question though, would any trick be possible using VGA?

I'm planning to buy a desktop PC instead of this laptop if I can't manage this to work (Mostly bought the monitor because of 120hz + LB)
post #1287 of 2929
Thread Starter 
Quote:
Originally Posted by raum View Post

I'm using a gtx460m in an Asus g73sw laptop. Does this mean I can't make it happen? :]
I have one more question though, would any trick be possible using VGA?
It depends. Ability of getting 1080p@120Hz from a laptop varies from laptop to laptop. Some laptops can do it, others cannot.

The most obvious manufacturer-supported giveaway is to check is "Does this laptop support an external 3D Vision monitor?" If the laptop advertises support for 3D Vision on external monitors -- then yes, it should be one of those laptops that can do 1080p@120Hz on an external monitor. There's nothing stopping VGA from doing 120Hz if there's no dotclock limitation limiting that from happening, but the monitor might not accept 120Hz on its VGA input.
Edited by mdrejhon - 7/17/13 at 9:22pm
post #1288 of 2929
Quote:
Originally Posted by mdrejhon View Post

It depends. Ability of getting 1080p@120Hz from a laptop varies from laptop to laptop. Some laptops can do it, others cannot.

The most obvious manufacturer-supported giveaway is to check is "Does this laptop support an external 3D Vision monitor?" If the laptop advertises support for 3D Vision on external monitors -- then yes, it should be one of those laptops that can do 1080p@120Hz on an external monitor. There's nothing stopping VGA from doing 120Hz if there's no dotclock limitation limiting that from happening, but the monitor might not accept 120Hz on its VGA input.

Yeah, there are "nvidia 3dtv play" stickers on it. smile.gif And the gtx460m should be fine with 3d. So I don't know why I'm not able to make it work over HDMI (tried a few 1.3a/b and a 1.4a cable)
I'm using a VG248QE, so it has no VGA input. I should try it with a single link DVI to VGA cable then, I guess?
post #1289 of 2929
Thread Starter 
Quote:
Originally Posted by raum View Post

Yeah, there are "nvidia 3dtv play" stickers on it. smile.gif And the gtx460m should be fine with 3d. So I don't know why I'm not able to make it work over HDMI (tried a few 1.3a/b and a 1.4a cable)
I'm using a VG248QE, so it has no VGA input. I should try it with a single link DVI to VGA cable then, I guess?
Yes, such a cable is actually DVI-A or DVI-I .... Doesn't matter if it is single link or dual link, since the VGA goes over separate wires on the cable.
post #1290 of 2929
http://www.testufo.com/ is now working so I am compiling my notes on the new XL2420TE vs VG248QE vs XL2720T and should have the info out soon.
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