The talkbox is a floor stomp with a long tube coming from it. The musician puts the free end of this tube in the mouth and alters the sound by changing the shape of the mouth or position of the tongue. ElectroSpit has made the talkbox mobile and tube-free with the ESX-1.
The ability to control our gadgets with voice commands brings a lot of convenience, but it also brings something else: the opportunity for voice hacking. Researchers at the University of Buffalo, however, have figured out a way to use the compass in smartphones to prevent such a practice.