Google Reveals Pixel 4 Face Unlock, Soli-Based Hand Gestures


The report also suggests the Google Pixel 4 series will have higher resolution displays - 2280 x 1080 on the Pixel 4, and 3040 x 1440 on the Pixel 4 XL.

The Google Pixel 4 design leak has been all around the Internet and while we've seen a notch-free design, we know that it's not going to be a bezel-free one now.

However, that dedication to face unlock didn't just kill the fingerprint sensor - the Pixel 3's excellent wide-angle selfie camera also appears to be going the way of the dodo.

Motion Sense is made possible by Soli, a motion-sensing radar Google says it's been working on for the last half-decade.

When describing the major two features for the front, the company said the Google Pixel 4 will have- Motion Sense and face unlock.

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At this rate, Google seems like it may just be running out of announcements to make before the Pixel 4 is fully revealed, likely in October. Gestures like this have been done before on Samsung and Motorola phones with cameras and other optical sensors, and they were not well received enough to be carried forward to future devices. For us, that's not almost enough functionality to warrant that much real estate on the device's front side.

Pixel 4 will be the first device with Soli, powering our new Motion Sense features to allow you to skip songs, snooze alarms, and silence phone calls, just by waving your hand. These will help users to get things done without having to touch it. Whether this means Google will forego the fingerprint sensor is of course yet to be seen but we've seen Apple do it so it would not be a first. Google says the feature will be limited to "select Pixel countries".

If implemented well, Soli could be the Pixel 4's killer feature - I've not seen anything like it from the competition. It allows for a lot of nuance not now seen on other devices, and doesn't require your hands be directly in front the sensor.

Google also goes out of its way to mention that face unlock data from your phone never leaves the device. "We've developed a miniature version [of Soli] located at the top of Pixel 4 that senses small motions around the phone, combining unique software algorithms with the advanced hardware sensor, so it can recognize gestures and detect when you're nearby." the company said.

According to Google, this collection of sensors allows for a much more natural face unlock experience.