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How Hearing Aids work
Hearing aids are electronic devices that pick up and
amplify sound. By amplifying sound, sounds that the
wearer normally would not hear are increased in volume
and therefore better communicated.
Hearing Aid Components:
- One or dual microphones. The microphone gathers sound and
converts it to electrical impulses. More than one
microphone collects sound from different areas.
- An amplifier is
used to increase the strength of the impulses.
- The receiver
transforms the electrical impulses back into sound
waves and redirects them into the ear of the wearer.
- A battery is
needed to supply the energy source.
- Volume control to
manually increase or decrease volume.
Other Components:
- A computer chip is found in programmable hearing
aids.
- There are switches
on the aid that turn the device on or off, allow for
phone usage or provide the ability to control
volume.
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Programs offer various sounds for
a variety of listening environments. As an example,
one program may be for conversations, another for
the telephone and a third for noisy situations. An
aid can come with numerous programs and the wearer
may manually change back and forth between different
programs, while some aids switch automatically.
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Picks up sound waves
Changes the sound waves into an
electrical signal and modifies it
based
upon computer data provided by the
hearing professional. The circuit is
manipulated by sophisticated
software to do the following:
Detect feedback and virtually
eliminate it (telephone)
Reduce harsh effects of loud sounds
(trucks)
Reduce almost all background noise
hindering speech perception (party
situations)
Enhances the fine nuances of music
(concerts)
Converts the amplified sound back
into an electrical signal to deliver
the
sound through the ear canal.
Charges energy particles provide the
necessary power to the components
of the hearing aid.
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Digital Hearing Aids vs. Analog Hearing Aids
Digital hearing aids are the newest
innovation in hearing aids, providing more accuracy and
higher quality sound than any other form of hearing aid
on the market. Analogue hearing aids convert sound waves
into electrical waves, which provide an accurate sound
reading. Digital hearing aids convert sound waves using
exact mathematical calculations, which produce an exact
duplication of sound. As a result, the sound quality
produced by digital hearing aids is significantly higher
than the quality of sound produced by analogue hearing
aids.
Most people recognize that digital hearing aids provide
better quality to the user however some people still use
analogue hearing aids for the simple fact that digital
models are considerably more expensive.
A number of individuals (especially those suffering
from hearing loss) would agree that better quality
hearing is worth the extra money. Digital hearing aids
offer many great features that analogue models do not.
Here are some reasons why people are choosing to convert
from the conventional method of analogue hearing aids to
the newer model of digital hearing aids:
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Through
translating sound to digital codes and calculations,
digital hearing aids provide higher and better
quality sound than any other model available to
consumers.
-
Digital hearing
aids offer a number of additional features to the
user which analogue forms cannot. Features include
transmitting speech without providing any unwanted
elements.
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Digital hearing
aids can be customized to suit personal needs and
hearing loss requirements.
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Digital hearing
aids are available in extremely small models making
it less noticeable for other people to see.
Overall, digital hearing aids provide advanced
features and improved sound conditions for individuals
suffering from hearing loss. Digital hearing aids
provide an exact sound duplicate which makes listening
more relaxing and convenient for the user. Ultimately,
it is the consumer's choice to decide whether the
features and functions of digital hearing aids outweigh
the increase in price. As with most other things in
life, you get what you pay for.
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