Snapdragon AR2 Multi-chip Structure for AR Glasses


Yesterday on the Snapdragon Summit, Hugo Swart, Vice President, XR Product Administration, Qualcomm, unveiled the Snapdragon AR2 Gen 1, a {hardware} platform made from three chips that can energy the next-gen augmented actuality glasses.

The brand new Snapdragon AR2 Gen 1 is the most recent addition to Qualcomm’s prolonged actuality (XR) product line.

The system is made from an AR processor, situated inside the suitable arm of the glasses, an AR co-processor situated on the entrance within the center, proper behind the digital camera module, and a Qualcomm FastConnect 7800 connectivity chip situated contained in the left temple.

For as soon as, Qualcomm didn’t combine all of the chips in a single giant SoC however has cut up the {hardware} into three small packages to assist OEMs ship skinny and light-weight designs for his or her next-gen AR glasses.

To allow the slim kind issue, the Snapdragon AR2 distributes the processing workload between the glasses and a Snapdragon-powered smartphone, PC, or different suitable host units.

Based on the chip maker, the principle processor occupies a 40% smaller PCB space on glass in comparison with the Wi-fi AR Sensible Viewer Reference Design powered by Snapdragon XR2.

The AR2 platform achieves a 50% increase in AI efficiency whereas consuming 50% much less energy than the earlier era. Qualcomm designed the AR2 to energy glasses that can compute utilizing lower than 1W.

The AR processor, optimized for low motion-to-photon latency (sub-9ms), helps as much as 9 cameras for scanning the atmosphere and for the person.

The AR processor encompasses a {hardware} acceleration engine for higher person movement monitoring and localization, and an AI accelerator to scale back latency for enter interactions comparable to hand monitoring or 6DoF. Lastly, the chip manages the show output.

The AR co-processor aggregates digital camera and sensor information and options eye-tracking for foveated rendering, to optimize graphics rendering efficiency. Moreover, the computing unit delivers iris authentication.

The connectivity chip relies on Qualcomm FastConnect 7800, a connectivity system that helps Wi-Fi 7. Because of this tiny connectivity chip, OEMs will have the ability to ship sub-2ms latency between the AR glasses and the smartphone host gadget. Qualcomm supplies the FastConnect XR Software program Suite 2.0, to assist builders higher management the XR information, scale back latency and jitter, and stop interference.

Qualcomm gives the Snapdragon Areas XR Developer Platform, an OpenXR SDK tailor-made to Qualcomm XR merchandise that gives generally wanted software program features that almost all XR apps require.

Since Snapdragon Areas adheres to the open-source specs, the AR2 system of three chips might additionally work with a non-Snapdragon cellphone or cell gadget. We will safely assume that Snapdragon Areas works optimally with the newest Snapdragon cell units.

Historical past of Qualcomm XR platforms:

Snapdragon XR2+ Gen 1, Qualcomm’s newest chipset for VR headsets, combines Blended Actuality (MR) and Digital actuality (VR), launched on October 11, 2022, and powers the Meta Quest Professional introduced at Meta Join 2022. The XR2 Plus delivers 50% larger sustained energy and 30% improved thermal efficiency over its predecessor.

Snapdragon XR2 5G (XR2 Gen 1) launched on December 4, 2019, an XR platform that powers, amongst different units, the Lynx R-1 Blended Actuality (MR) headset, and the Wi-fi AR Sensible Viewer reference design.

Snapdragon XR1 launched in Could 2018 that powers the Lenovo ThinkReality A3 sensible glasses launched at CES 2021.

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