Microphone turns any surface into a multitouch interface | ExtremeTech

Microphone turns any surface into a multitouch interface http://t.co/awG9HgBb
A European researcher, depending on your point of view, has either created the cacaphonic spiritual successor of the 1920s etherphone/theremin, or the sci-fi touch interface of the future. In short, using a stethoscope-like contact microphone and complex audio processing software, Bruno Zamborlin and some French collaborators have made a gesture-recognizing touch interface out of any surface, including a balloon.
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