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Friday, 21 June 2013

Analog and Digital Hearing Devices

A lot of people out there might be suffering from various hearing problems and conditions. Some of them may be aware of it but refuse to undergo tests and seek medical help, while others may not be aware of it and simply ignore and signs and symptoms of the problem. Good enough for those people who are aware of it and take the initiative to seek help.

When it comes to hearing problems, many people might have bought either analog or digital hearing aids, but perhaps not all of them fully understand what these devices are all about and how are they operated. Hearing devices come in different forms and serve specific purpose to meet the hearing needs of a person. Thus, choosing the right device is very important to give the right solution to the problem. Consulting your doctors and undergoing hearing tests would help you determine the right hearing device that you need, either it’s analog or digital.
Analog and Digital Hearing Devices

A hearing aid, from its name aids hearing. It is a device that is electro-acoustic (analog or digital) that fits either inside or behind the ear in order to amplify and modulate the hearing capacity of a person.  Hearing devices have two types: the analog and the digital hearing aids. When it comes to their differences, digital hearing aids involve the use of digital computer technology. On the other hand, analog hearing aids use electrical signals in order to amplify sounds and are non-digital. In general, hearing devices, regardless if analog or digital are designed to amplify sound waves that reach the ear drum which allows the hearing-impaired people to better understand speech. These two types of hearing aids have three major components: amplifier, receiver, and a microphone. The amplifier increases the generated electrical energy to promote sounds. While the receiver converts this electrical energy to acoustic sound waves. And the microphone gathers the acoustic sound waves and converts into electrical energy.

An analog hearing device uses various electrical signals which continuously resonate to generate sounds (like microphones and loudspeakers). These electrical signals follow a sound pattern, which are made louder or amplified and then fed to the earphones of the device. This device is fixed closed to the eardrum of the user, where the sound is being transferred. This device however, may not have a lot of features compared to a digital hearing aid.

A digital hearing aid picks up the produced electrical signals and have these converted into “data bits”. These data bits are the numbers that are being operated by tiny computer chips. This allows the user to tailor and process sounds with an appropriate frequency. What’s interesting about digital hearing aid is that it allows the digitalis sound representation to be controlled and manipulated in different ways. In fact, this is the best advantage of a digital hearing aid device.

By knowing the differences of these two devices, prevention and cure are made possible without causing detrimental consequences to the hearing ability of a person.

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