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What You Need to Know Before Buying a Hearing Aid

 


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You finally get up the nerve to go to the hearing aid office and get your ears tested. They break the news that you need a hearing aid. Your mind is swimming with visions of having to wear that huge thing on your ear. How could this have happened? Why me?! And then they start telling you about all of the different types you can get. All that terminology just goes right over your head. Don't they know your in shock! How on earth can you make a decision when you don't even know what they're talking about!

There are hundreds of different hearing aids. It can be a very complicated world of technological terms. Sometimes, those of us that work with hearing aids all the time can forget just how foreign they can sound to you. To make matters worse, the manufacturers like to call things different names, so they sound like something different. No wonder there's so much confusion!

I am going to try to unravel some of the mystery for you. When you get down to it, there are really only a few terms you need to understand.

There are seven primary styles of hearing aids: ITE, Half Shell, ITC, Mini Canal, CIC, BTE, and Open Ear.

In the Ear (ITE) ITE's are the largest custom style of hearing aid. They fill the bowl of your ear and can have the most power and features available.

Half Shell (HS) The Half Shell fills about half the bowl of your ear. They are able to have a good deal of power and features, use a smaller battery, but are more cosmetically appealing.

In the Canal (ITC) The next smallest size is the custom ITC. Harder to see than the larger hearing aids, but also not able to have as much power or as many features.

Mini Canal (MC) Smaller than the ITC hearing aid, the custom mini canal uses a smaller battery and has even less power available. Features can also be more limited.

Completely in the Canal (CIC) The CIC is the smallest custom in the ear hearing aid and very popular due to its cosmetic appeal and ease of use. There are usually no manual controls on a CIC, telephone usage is often better because they are less likely to whistle. Lack of power is the main reason people cannot use this style, though a small ear canal may keep you from being able to wear one also.

Behind the Ear (BTE) This hearing instrument sits behind your ear and is connected to your ear by a tube with an earmold. BTE hearing aids have the most power and features available.

Open Ear (OE) and Receiver in Canal (RIC) This hearing aid is a fairly new style of BTE made available in recent years and are much smaller then a traditional BTE. They are meant primarily for high frequency hearing loss. It is connected to your ear by a very thin tube or wire with a small earbud on the tip. They are called Open Ear because they leave the ear canal less blocked than other styles of hearing aid.

Important Features:

Directional Microphones - These are available on most BTE, OE, ITE, Half Shell, and ITC styles of hearing aids. They are the best feature you can have on your hearing aid for hearing in noisy places, such as restaurants. (They reduce sounds from behind, so that it does not interfere with the sound in front of you) Directional microphones can be automatic; they automatically turn on when the sound level in the room gets too loud. Some are also be adaptive, which means they can follow moving sounds, or reduce several different sounds at the same time.

Noise Reduction - Noise reduction doesn't really reduce noise, it reduces amplification in the frequencies where there is noise and no speech. If there is a fan running in the background, the hearing aid will not amplify it as much as it will speech. When the hearing aid finds both speech and noise at a frequency, you still get both. More advanced the hearing instruments manage noise better by breaking the frequencies up into smaller pieces.

Memories - There are two types of memories available on a hearing aid, manual and automatic. Many hearing aids have a push button that allows you to have different settings (memories) for different situations such as quiet places, noisy places, and music or telephone. The hearing aid beeps when you push the button to let you know which memory you are using. Advanced hearing aids can have memories that are automatic. Instead of pushing a button, the hearing aid does it for you! Some hearing aids can even have a combination of both.

Feedback Cancellation - Feedback (or that annoying whistling sound) is the number one complaint people have about hearing aids. Most hearing aid wearers experience feedback when they put their hand over their ear, or use the phone. Feedback Cancellation will take down the amount of feedback (whistling) that you hear.

Bands / Channels - Bands are what we use to adjust the volume in a hearing aid. More bands means more control when we program the hearing instrument to your hearing loss.

Channels are used to adjust the part of the hearing aid that keeps the sound from getting too loud. Channels can 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.

These are the main things you need to understand about your hearing aid. If you really want the best one for you, I recommend you focus on telling your professional what benefits you want from your hearing instrument. Let them know what frustrates you to give them a better idea of how they can help you. Their goal is to help you hear better, and when that happens, everyone wins.

Kelly C. Calkins is a doctor of audiology and owns her own practice in Atlanta, GA. For hearing aids , hearing aid information, or to find a professional near you call us today at 877-777-1710 or visit our website at http://www.aidright.com

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