BioAid app turns the iPhone into a hearing aid
It’s so obvious when you think about it. The iPhone has a microphone, a computer that can process audio, and earphones – why not use it as hearing aid? That’s just what a group of scientists from the University of Essex have done, with their BioAid app. It has the potential to replace thousand-dollar hearing aids with a free download ... as long as users don’t mind keeping their phone close at hand.