A new app developed by researchers at the University of Essex in England might remove a lot of the fuss and cost associated with hearing aids.
BioAid can turn a smartphone into a hearing aid, according to a recent article in Technology Review.
The app employs the high-quality microphones found in many smartphones and filters out unwelcome frequencies. The amplified sound is then delivered to the ear via the in-ear headset, just like any other sound transmitted by the phone.
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