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[Phys-L] Personal Sound Amplifiers (PSA)
From
: Ludwik Kowalski <
kowalskil@mail.montclair.edu
>
Date
: Wed, 15 Jul 2015 12:12:13 -0400
Personal Sound Amplifiers (PSA)
Hearing aids are very expensive, typically from $3000 to $6000 a pair.
But some people might wearing them, for many year.
I describe this alternative at my university website:
http://csam.montclair.edu/~kowalski/aps.htm
Feel free to share this short essay with others.
Comments will be appreciated.
Ludwik Kowalski (see Wikipedia)
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Re: [Phys-L] Personal Sound Amplifiers (PSA)
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From:
Paul Nord <paul.nord@valpo.edu>
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