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21st Century Types Of Hearing Aids
from:David Faulkner
Almost everyone has an idea of what a hearing aids looks like
and how they are supposed to work. But those ideas may be based
on some very out-dated types of hearing aids and not at all
realistic. If you are at the stage of life in which you hearing
may be gin to decline, but are reluctant to see an audiologist
and be tested for a hearing aid because of some inaccurate
ideas, some information about the types of hearing aids now
available may ease your concerns.
Conventional hearing aids, the types of hearing aids with which
you are probably most familiar, are the hearing aids on which
the hearing devices industry was built. These types of hearing
aids are also known as analog hearing aids, and contain the same
kind of electronic circuitry as the traditional telephone.
Analog Hearing Aids
The most recognizable feature of analog types of hearing aids is
that they will amplify sounds of every frequency, from booming
bass to shrieking treble, to the same degree; and that feature
is also their greatest drawback. Many of those who have tried
analog types of hearing aids have simply been unable to adjust
them to a level of sound appropriate for their degree of hearing
impairment. It was because of this deficiency that two other
types of hearing aids, programmable and digital, were researched
and developed.
Programmable Hearing Aids
Programmable hearing aids are types of hearing aids which can be
programmed by a computer to match an individual's specific
degree and kind of hearing loss. Having a computer establish the
settings in these types of hearing aids creates more opportunity
to fine tune them to be as comfortable as possible for their
users. But programmable hearing aids still rely on analog
electronics.
Digital Hearing Aids
The final of the three types of hearing aids, digital hearing devices, have the most
sophisticated hearing aid technology currently available.
Digital types of hearing aids actually contain microchips which
are also computer-programmed but are far more able to match a
specific individual's amplification profile than is analog
circuitry
Digital types of hearing aids have separate circuits which are
capable of categorizing incoming noise and dividing it into
separate channels and bandwidths. They can then process the
sounds on each channel or bandwidth independently of all the
others. They are capable of amplifying those frequencies most
affected by the user's hearing loss, while letting the other
frequencies remain unchanged.
Anyone considering getting a hearing aid of any type will have
to visit an audiologist and be tested to determine the best of
the types of hearing aids for his or her situation.
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