Scientists have developed a new system called virtual prosthetic voice, which they described in the journal Nature.
About:
What is it? Virtual prosthetic voice is a system that decodes the brain’s vocal intentions and translates them into mostly understandable speech, with no need to move a muscle, even those in the mouth.
Working: The new system decipher the brain’s motor commands guiding vocal movement during speech — the tap of the tongue, the narrowing of the lips — and generates intelligible sentences that approximate a speaker’s natural cadence.
Benefits: Researchers have developed other virtual speech aids which work by decoding the brain signals responsible for recognising letters and words. But those approaches lack the speed and fluidity of natural speaking.
Application: This could help people who are disabled in their ability to speak as a result of injuries suffered in accidents or combat, of strokes, or of neurodegenerative disorders like amyotrophic lateral sclerosis (ALS).
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