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NVIDIA has revealed G-Sync Ultra Low Motion Blur (ULMB) 2, the second generation of tech it designed to minimize motion blur in competitive games. Compared with ULMB, which it released in 2015, the company says the latest version offers nearly twice as much brightness, along with almost no crosstalk — the strobing or double-image effect that sometimes appears when blur reduction features are enabled.

Motion clarity is largely determined by the monitor’s pixel response time. To improve matters, NVIDIA is using “full refresh rate backlight strobing,” which builds on the backlight strobing technique from the original ULMB. Although the previous version of the tech improved motion clarity for many, it needed to switch off the monitor’s backlight 75 percent of the time. This reduced the brightness of the screen.

With ULMB 2, NVIDIA is able to match the display’s refresh rate when it turns the backlight on and off. The aim is to only turn the backlight on when pixels are at the correct color value for each frame. This mitigates crosstalk, as you shouldn’t see pixels when they’re transitioning to the accurate color.

This approach wasn’t really possible with the slower pixel refresh rates of older monitors. ULMB 2 is able to run at the full refresh rate of current displays. On a 360Hz display, each backlight strobe happens every 2.7 milliseconds — a rate that’s imperceptible to the human eye.

What this all boils down to is NVIDIA being able to offer more brightness and an effective motion clarity of over 1000Hz. If you use a 360Hz monitor with ULMB 2 on, NVIDIA says you’ll get an effective motion clarity of 1440Hz. The company claims that, without ULMB 2, you’d need a monitor that’s capable of 1440Hz to get equivalent motion clarity. Given that we’ve only recentlystarted seeing 500Hz monitors, mass-market 1440Hz displays seem quite a ways off.

NVIDIA offered some brief demos of ULMB 2 in action. In the video below, you’ll see what a motorcycle pursuit sequence looks like in slow-motion at 360 frames per second with the feature both off and on.

ULMB 2 is available now as a free update for compatible 1440p, 360Hz G-Sync monitors. Only two such displays are on the market at the minute, NVIDIA says: the Acer Predator XB273U and the ASUS ROG Swift PG27AQN, both of which are 27-inch monitors. The ASUS ROG Swift Pro PG248QP (a 25-inch 1080p, 540Hz display) and the 27-inch AOC AGON AG276QSG G-Sync Monitor are also compatible, and they’ll be available soon.

NVIDIA announced ULMB 2 alongside some AI developments at Computex. The company is developing a supercomputer that’s designed to help companies build generative AI models. It also showed off tech that will enable players to use their microphones and have somewhat realistic conversations with in-game characters.

This article originally appeared on Engadget at https://www.engadget.com/nvidias-g-sync-ulmb-2-aims-to-minimize-motion-blur-in-games-185800623.html?src=rss

Plenty of monitors and TVs on the market feature built-in G-Sync support. The question is, though, can you plug an Xbox Series X into one and have it work?

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Elon Musk’s brain implant company Neuralink has just received approval from US regulators to finally commence testing its innovative device in people. The venture took to Twitter to make the announcement, although specific details about the study have not been disclosed and it is not yet listed on the official US government database of clinical trials.

While the Food and Drug Administration (FDA) officials neither confirmed nor denied granting the approval, FDA press officer Carly Kempler mentioned in an email that the agency “acknowledges and understands” Neuralink’s announcement.

https://twitter.com/neuralink/status/1661857379460468736

Neuralink is among several groups dedicated to developing interfaces that connect the nervous system with computers — these efforts aim to revolutionize the treatment of brain disorders, overcome brain injuries, and explore various other applications.

Just recently, researchers in Switzerland published a breakthrough study in the journal Nature, showcasing an implant that successfully restored communication between the brain and spinal cord, enabling a paralyzed man to stand and walk naturally.

Currently, there are over 30 ongoing clinical trials related to brain-computer interfaces and spinal cord interfaces, according to clinicaltrials.gov.

There are over 30 ongoing clinical trials related to brain-computer interfaces and spinal cord interfaces, as reported on clinicaltrials.gov.

Currently, there are over 30 ongoing clinical trials related to brain-computer interfaces and spinal cord interfaces, according to clinicaltrials.gov.

Elon Musk, who also owns Twitter and serves as CEO of Tesla and SpaceX, mentioned in December of last year that his team was in the process of seeking regulatory permission for Neuralink’s device testing. The device (about the size of a large coin) is designed to be implanted in the skull with ultra-thin wires directly connecting to the brain.

Musk has outlined the initial applications in humans, aiming to restore vision and assist individuals with limited muscle control to operate digital devices more efficiently. Additionally, he envisions bridging brain signals to Neuralink devices in the spinal cord to aid those with spinal injuries.

Elon Musk presenting Neuralink on stage. (Image: “Elon Musk and the Neuralink Future” by jurvetson)

Following Musk’s presentation on the device, Rajesh Rao, co-director of the Center for Neurotechnology at the University of Washington, commented that Neuralink may not be ahead in terms of brain-computer interface achievements, but their hardware is notably advanced.

While the ultimate effectiveness and safety of this device and similar interfaces remain uncertain, it’s important to note that Neuralink’s interface is currently classified as an “investigational device.” Clinical trials will provide crucial data on its safety and efficacy.

Neuralink clarified in their recent tweet that they are not yet recruiting participants for the study, but they promise to share further details soon. Stay tuned for more updates on this remarkable endeavor!

Elon Musk’s Neuralink Receives US Approval For Starting Human Trials

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