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... About Hearing Aids
Copyright Hearing Health Card 2012
Just as eyeglasses are used to correct most vision problems, hearing assistive devices (Hearing Aids) are used to treat most types of hearing loss. Finding the best solution begins with a hearing screening. Once you know the nature and extent of the hearing loss, a hearing aid specialist will able to help and you advise you of the best solution for you lifestyle and budget.
... About Hearing Aids
Hearing Aid Info
If you suspect or know that you or a loved one has hearing loss, the first step is to get tested.
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About Hearing Aids - Batteries
What are common hearing aid battery sizes?
Hearing aid batteries come in sizes are 10, 13, 312 and 675. To identify the size, most manufacturers use an industry standard color code on their zinc air tabs and packaging.
How long should my hearing aid battery last?
Battery life is determined by the type and amplification of your hearing aid as well as the hours you wear your hearing aid. Your hearing care professional can tell you the battery life you can expect.
What is the best way to store hearing aid batteries?
You should store your hearing aid batteries at room temperature. Avoid storing your batteries in hot places since heat will shorten the life of the batteries. Refrigeration is also not recommended. Batteries should not be carried loose in your pocket or purse. If a battery inadvertently comes into contact with a metal object such as coins or keys the battery may charge, leak or in rare incidences even rupture. To prevent this from occurring keep unused batteries in the original packaging or in a battery holder.
What is the purpose of the tab on my Zinc Battery?
A zinc air battery uses air outside the battery as a source of power. The factory applied tab seals the air holes in the battery and ensures freshness until you are ready to use the battery. Do not remove the tab until you are ready to use the battery. To activate the battery, you simply remove the tab. After removing the tab, wait about one minute prior to inserting the battery into your hearing aid. This allows sufficient time for the air to enter and activate the ingredients. Replacing the tab when the battery is not in use will not extend the battery life.
About Hearing Aids - Terminology
Allow you to hear better in noisy places, such as restaurants. (They reduce sounds from behind, so that they do not interfere with the sound in front of you) Directional microphones may be automatic, your hearing aid would them on when the sound level in the room gets too loud. Or adaptive, which means they have the ability to follow moving sounds, or reduce several different sounds at the same time.
Reduces the amplification in frequencies where there is noise but no speach. If there is a background noise like a refrigerator or fan, the hearing aid will not amplify it as much as speech.
There are two types of memories available on a hearing aid, manual and automatic. Many hearing aids have a button that allows you to select different settings (memories) for different situations such as quiet places, noisy places, and music or telephone. More advanced hearing aids may have automatic memories. Instead of pushing a button, the hearing aid does it for you! Some hearing aids have a combination of both.
A hearing aid user may experience feedback when they put their hand over their ear, or when they use the phone. Feedback cancellation reduces the amount of feedback you may experience.
Bands are what is used to adjust the volume in a hearing aid. More bands means more control when we program the hearing aid to your hearing loss.
Channels are used to adjust the part of the hearing aid that keeps the sound from getting too loud. Channels may also refer to the hearing aid noise reduction system. For noise reduction, more channels is definitely better because the hearing aid can break the sound up into smaller pieces and isolate noise from speech. Generally the more channels the more refined listening experience you may have.
Reduces the volume of sudden loud noises. Read More Also reduces feedback.
Power On Delay
Is a feature that delays powering on the hearing aid for a few seconds so the user can insert the hearing aid without having to cope with feedback.
A small magnet inside a hearing aid that receives signals from telephones or other devices This feature that allows people with hearing aids to communicate via telephone easier.
Direct Audio Input (DAI) allows the hearing aid to be directly connected to an external audio source like a CD player or an assistive listening device (ALD). By its very nature, DAI is susceptible to less electromagnetic interference, and yields a better quality audio signal as opposed to using a T-coil with standard headphones.
Similar to telecoil and DAI in that it allows direct connection with devices such as telephones or a CD player. However Blue Tooth is different in that it offers high quality wireless connectivity to Cell Phones, Television, listning devices and mp3 players and even other hearing aids.
Hearing aids with digital capability translate sound to digital code, change it and re-transmit it back by using mathematical calculations.
This produces a high quality sound that is extremely accurate.
Often digital hearing aids have many programmable benefits and features due to their digital nature. Digital hearing aids are more customizable to a patients needs.
Analog hearing aids do not distinguish different sounds and therefore amplify all sounds equally, Some sounds, may be too loud while others may be difficult to hear. Most inexpensive hearing aids are analog.
About Hearing Aids - Styles And Sizes
Ultra Small Behind-the-Ear (OTE)
OTE hearing aids are best suited for this type of hearing loss.
A small BTE hearing aid attaches to a slim tube which directs sound into the ear. This "open" type of fitting is very comfortable and discreet. It is suitable for mild to moderate high-frequency hearing losses.
BTE hearing aids are best suited for this type of hearing loss.
BTE's are worn comfortably behind the ear while amplified sound travels down a tube to a customized earmold that fits securely into the ear. Because they are larger, BTE's can accommodate bigger batteries for longer life and larger amplifiers for maximum amplification. Most BTE's are compatible with assistive listening devices. BTE's are suitable for mild to profound hearing losses.
Behind the Ear - BTE
Completely in the Canal - CIC
CIC hearing aids are best suited for this type of hearing loss.
The smallest hearing aid available, the CIC fits deeply inside the ear canal, making it almost invisible. Benefits include cosmetic appeal, more natural sound, reduced feedback, less occlusion ("talking in a barrel" effect), improved telephone use and decreased wind noise. CIC's are suitable for mild to moderately severe hearing losses.
Half Shell and Canal (ITC)
Canal hearing aids are custom-made to fit inside the external ear canal, making them almost unnoticeable. Canal hearing aids are suitable for mild to moderately severe hearing losses.
ITC hearing aids are best suited for this type of hearing loss.
Full Shell - ITE
Full shells are also custom-made to fit securely in your outer ear. They are larger in size than the half shell and are suitable for mild to severe hearing losses.