Published in August 29th, 2010
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No Hearing Aid can ever restore your hearing to what it was before you suffered some hearing loss.
Most hearing loss is caused either by a person getting older or trauma to the ear by illness or accident. Hearing Aids have been used by the hearing impaired for some considerable time. Over the years they have changed as technologies are improved and also the expectations of the general public have increased. The basic Hearing Aid (Analogue) collected the sounds in a very small microphone, amplified it and passed it to a minute speaker, which then sent the amplified sound to the eardrum. This greatly helped the sufferer to hear sounds that were difficult to hear before. Although this was a great help to those with hearing loss , this type of Hearing Aid had a number of problems. The major of which is that it amplified all sounds that it collected, to an equal amount. Most sufferers generally only have hearing loss at certain frequencies, either they cannot hear voices very well or they have trouble hearing high notes in music. The other major problem is that background noise is amplified an equal amount. as the sound you wish to hear making it difficult to hear individual voices in a crowded room.
Digital Hearing Aids overcame a lot of these problems. They have the ability of being able to be tuned. That is the Aid can be set up to only amplify the frequencies where there is a hearing loss. Also they can be found to blank out certain background noises. This has been a major step to allowing sufferers to enjoy talking to another individual in a crowd. There have still been some problems even with these Digital Hearing Aids. The main one being that wearers have the feeling that the ear is blocked up, giving a hollow sound within the ear. This is because the ear mould that fits into the ear channel, completely fills it. This had to be made like this to stop any sounds travelling back from the ear mould to the microphone in the body of the Aid, thus causing feedback. Feed back is a loud whistle that can be very upsetting to the wearer.
The latest developments in Digital Hearing Aids, have overcome this problem by including a circuit in the Hearing Aid that suppresses the feed back. This then has allowed the ear mould within the ear, not to completely fill the ear channel. It now has small apertures in the mould allowing the passage of air through it. This has overcome the main problem of the ear feeling blocked up and the hollow sounds associated with talking andeating etc.
There are also other major benefits to having an Open Fit Hearing Aid. The cost of fitting an Open Fit is substantially less as a customised ear mould does not have to be made and also they can be fitted almost immediately , thus saving both time and money at the fitting stage.
Open Fit Hearing Aids are most beneficial to people who have good hearing at the lower frequencies and poor hearing at the higher frequencies which is the most common type of hearing. Loss.
Open Fit Hearing Aids are now extremely small, only about 25-30cms, and therefore fit very neatly behind the ear with a very thin tube connecting to the ear mould within the ear channel, making it almost invisible to wear and therefore much more acceptable.
Mike Roberts has been advising on Hearing Loss and how to overcome it by the use of Digital Hearing Aids To find the latest news about Hearing aids visit Open Fit Hearing Aids
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