Article Side

Online Article Directory!

Hello Guest! Login or Register to submit articles!

Hearing Simplified: the Workings of a Standard Hearing Aid

By Rebecca Kavel Subscribe to RSS | February 11th 2012 | Views:

The invention of the hearing aid may have been the product of two of the greatest inventions in history: the telephone and the transmitter. Basic designs of the early hearing aids were like a downscaled version of the telephone: having a trumpet as the speaker and a small tube as the receiver. Later on, hearing aids began to have carbon transmitters installed that allowed sounds to be turned into signals and vice versa.

Modern hearing aids have considerably shrunk in size but have grown more powerful in getting clearer sounds to the ears. From simple trumpets and tubes, the hearing aid people know today is built with advanced electronics for the partially or totally deaf to hear more clearly. The normal hearing aid is comprised of four different parts: the microphone, the amplifier, the receiver, and the power source. Its overall function can be traced back to the simplistic designs of the 1900s.

Microphone: Most hearing aids have microphones placed on the main mechanism unit together with the amplifier. Similar to the microphone used in film and TV, the microphone in the hearing aids gathers sound in the environment. The microphone is also tasked with turning raw sound into electrical signals where it is due for processing by the amplifier. For hearing aids deeply implanted in the ear, the microphone may be a small dot protruding just outside the ear.

Amplifier: The amplifier is the heart of any hearing aid because of its responsibility of processing the electrical signals back to pure sound. As the name implies, the amplifier makes the electric signals strong enough for the person to hear the sound. The amplifier is as tiny as an electronic chip you usually find in computer systems. Nevertheless, its many transistors are strong enough to aid the deaf in hearing.

Receiver: The receiver of the

Rebecca Kavel - About Author:
For more details, please search "hearing aid and Hearing aid accessories" in Google.

Share on Facebook Tweet It Stumbleupon this post This post is delicious !

Article Source:

Related Health Articles Subscribe to RSS

How to be wise in choosing your hearing aids
Published by Avena Sowell on April 24th 2012 | Health
Hearing aids are expensive and so, you need to make sure that when you buy one, it is the right hear...
Choose the right hearing aid
Published by Ashish Pandey on January 21st 2012 | Health
Hearing aids are for those who are suffering from mild to serious hearing troubles and cannot recogn...
Invisible hearing aids: a New Development in Hearing Device’s Market
Published by Orgnised Interiors on July 26th 2012 | Health
Invisible hearing aids offer state of the art sound clarity, as the sound processors are the same as...
Natural treatment for sudden hearing loss
Published by NinaCook on May 5th 2012 | Health
Hearing problem is considered major by many. But when it occurs it gives a lot of trouble. Robert Gi...
Things to know before getting a hearing aid
Published by Avena Sowell on December 21st 2011 | Health
Hearing aid is no longer a bulky thing; these are trendy sleek things and come of age in terms of st...
Reasons why some people may need hearing aid
Published by Avena Sowell on March 6th 2012 | Health
A reliable help with hearing can help you counter the adverse effects of hearing loss....
There are different types of hearing aids
Published by Angelobailey on June 8th 2012 | Health
There are hearing aids obtainable nowadays from completely different firms and selecting one amongst...