The system uses brain electrodes to read signals meant for jaw and mouth muscles. An FM radio is used to transmit these brain signals to a computer, which transforms them into recognizable sounds. Currently the system is only able to produce vowels, but with more electrodes and more powerful algorithms it should be able to scale up to fully vocalized words.
Academic researchers have implanted a wireless brain-machine interface into a locked-in subject who is almost completely paralyzed.
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