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Hearing Aids

M

martin griffith

Jan 1, 1970
0
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So what am I, chopped liver?

Hundreds (maybe thousands) of _free_ designs which work, schematics
which are easy to read and build from and, since I don't blow my own
horn too often, anonymity, more or less.

Lucky me, I get to die as an unknown...
Dont worry John, Google has all our indescresions saved for pomposity.


martin
 
P

PaPaPeng

Jan 1, 1970
0
The discussion on the subject.

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Subject: Re: [ACCESSIBUILT] Induction loops
To: [email protected]

Hi,

Lynn is right. Digital aids process sound more effectively than
analogue for many people (although not all), but are still dependent
on the quality of the incoming sound. BTE (Behind the ear) aids will
usually have a T switch and be compatible with a loop regardless of
whether they are digital or analogue. An increasing proportion of
particularly privately dispensed aids are smaller "in the ear" or "in
the canal", and often do not have a T switch and so cannot be used in
conjunction with a loop at all.

The whole purpose of an induction loop is to help reduce other
background noise and ensure that the sound you want to hear comes via
appropriately placed microphones directly to the hearing aid. All
hearing aids rely on very small microphones within them, which will
often pick up background noise from around you, (usually on the wrong
side of a glass screen from the ticket officer!).

I've worn digital aids for several years now, but still use loops
where I can find well installed one that is switched on! My favourite
is the ticket office on the rail platform at Stansted Airport. With
my aids set to T I can hear the ticket officer perfectly, whilst those
without any hearing loss at all struggle to pick out what is being
said via the speakers over the noise of trains.

Katherine
 
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