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"New Microsoft device lets you control your PC with gestures (Video)"

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Thursday 10 May 2012

"New Microsoft device lets you control your PC with gestures (Video)"


Playing Tetris with gestures: Screengrab from the Microsoft demo video

Microsoft is reportedly working on a cool new Kinect-like controller that will respond to gestures! Accordingto a report by ZDNet, Microsoft Research has developed a new
controller which detects in-air gestures around the device using the Doppler Effect. Kinect had a sensor bar, while SoundWave will use the existing speakers and microphone built into a PC or notebook, to allow the machine to detect gestures.
The speakers are capable of emitting inaudible tones, which will be in the range of 18 to 22 KHz. The SoundWave then uses the microphone on the same system and picks up tones as they are bounced back by moving objects, such as for instance, your hand.
The tones move through a detection algorithm, which detects frequency shifts, which are then processed to figure out the gesture made in front of the system. The gestures are then translated into specific actions, which are carried out on the PC. Microsoft has demonstrated the technology in a number of ways.
Hand gestures, like moving your hand upwards and downwards enables scrolling through a page upwards and downwards, respectively. Another example is unlocking the screen when one walks towards and locking the screen as the user walks away from it.
The demo video shows a user playing Tetris by simply using hand gestures to change the brick orientation easily. It recognizes two hand gestures. SoundWave was also tested in a noisy and busy environment to test its reliability. The implementation of this technology to replace touchscreen may be a far-fetched thought, owing to price and other factors, but Microsoft could up the gesture gaming scenario with it.
There is no word on the commercial launch of this real time sensing technique so far.
Watch the demo video:
Further note to geeks: Sheldon from the Big Bang theory went to a fancy dress party dressed as the Doppler effect.

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