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Orlando, FL 32806
As its name suggests
(behind the ear), these
devices sit on the bowl
of your ear and feed a
tube into the canal.
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Orlando, FL 32806
Their size allows manufacturers
to include features such as
volume controls and on/off
switches. Modern units are not
the clunkers that their
predecessors were.
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Orlando, FL 32806
The BTE unit has
three discrete parts,
the case, tube and
earmold.
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Orlando, FL 32806
The case is the hook-
like part that sits behind
the ear and does the
actual augmentation of
sound.
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Orlando, FL 32806
Audio waves travel from the case
through the tube to the earmold,
which is essentially a plug made to
sit neatly at the opening of your
canal. Similar tips are used to keep
your mobile phone headset in place.
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Orlando, FL 32806
open fit aids are smaller
behind the ear devices that
work a little different. It
travels deeper into the canal
and uses a soft molded dome
to hold it in place.
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Orlando, FL 32806
The advantage of this type of
technology is that it prevents
occlusion, that booming sound
you hear in your own voice
when your hands are pressed
against your ears.
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Orlando, FL 32806
The two major concerns are
the leakage of sound from
the ear canal and the
problems their design
causes with Assistive
Listening Devices.