SoundWave is responsive enough to play Tetris using gesture controls
SoundWave can be used on existing laptops with no additional hardware
SoundWave detects motion inputs by detecting the frequency shift in tones emitted from the system's speaker
Microsoft’s Kinect peripheral senses motion inputs using a combination of a depth sensor, RGB camera and a multi-array microphone. Now Microsoft’s research division, Microsoft Research, has developed a gesture recognition system called SoundWave that relies on sound instead of video to bring gesture recognition capabilities to a standard laptop or desktop computer without the need for any additional hardware.
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