One of Microsoft’s latest research projects offers gesture controls using a computer’s speakers, microphone and inaudible sounds. The technology is called “SoundWave” and it utilizes the Doppler effect to detect gestures. With the help of a computer’s speakers and microphone, SoundWave can detect the frequency change of a sound wave by using inaudible sounds and measuring the change in feedback as a hand gesture is performed. Even if a user is playing music on his or her laptop or there’s a lot of background noise, SoundWave will still be able to detect gestures. The technology can even detect when a person walks to or away from a computer, and respond by unlocking or locking the device. Microsoft’s video demonstration follows below.

[Via Gizmodo]

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Dan joins the BGR team as the Android Editor, covering all things relating to Google’s premiere operating system. His work has appeared on Fox News, Fox Business and Yahoo News, among other publications. When he isn’t testing the latest devices or apps, he can be found enjoying the sights and sounds of New York City.