Researchers at Carnegie Mellon University and Disney University have created an array of accessories dubbed Acoustruments that are designed to make interaction with smartphones more physical -- all this without Bluetooth technology or additional wired connections.
The accessory takes the form of a flexible plastic tubing and connects smartphone speakers to a microphone. Any action that alters the acoustic frequency detected by the mic can be used to make something happen on the phone's software. The absence of electrical circuitry in the acoustruments makes them inexpensive to manufacture, and they could be crafted using 3D printing or even made by hand.
While touchscreens have proven to be a pretty revolutionary and useful invention, there are certain situations for which they are not ideal, which is where the tangible physical control of acoustruments could come in handy.
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