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Cell phone
Some hearing aid users have reported
a buzzing sound in their hearing aid
when using cell phones, indicating that
the cell phone and hearing aid may not
be compatible.
The ANSI C63.19 standard determines
the prediction of compatibility between
a specific hearing aid and a cell phone,
thus hearing aid compliance is tested
according to this standard. However,
demonstrating compliance according
to this standard cannot guarantee that
all users will be satisfied.
Whereas all hearing aids have acoustic
coupling, only the larger hearing aids
have the physical space for telecoil
(inductive) coupling.
The hearing aid is compliant with
ANSI C63.19 in both microphone
and telecoil mode.
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