Technology Update

Open Canal Fitting

If you have tried hearing aids and could not get used to the “stuffy”, “echoing”, “hollow” feeling of your own voice, you may want to consider open-fit hearing aids.

Open fitting promotes wearer comfort. Traditionally, in-the-ear hearing aids or ear molds for Behind-The-Ear hearing aids are custom-made to at least fully occupy the ear canal. This usually creates an occlusion effect and the result is that the hearing aid user finds his own voice amplified and “hollow” and hears sounds from chewing. 

By fitting a slim tube into the ear canal instead of a tightly sealed ear mold or shell, hearing aid wearers find all amplified sounds are heard more naturally and comfortably.
 
Advance Feedback Management
Have you ever heard hearing aids whistle in a concert, at a conference, or in a family gathering? It is very embarrassing to the hearing aid user and friends and family around. 

There are a few possibilities that make a hearing aid “sing”.  Firstly, the hearing aid may not be inserted in a proper way. There may be cerumen in the ear canal that makes amplified sounds reflect out of the ear.  The hearing aid may not be fitted and sealed tightly, thus causing “leakage” of sound. Last but not least, the volume of a hearing aid maybe turned too loud. 

Thanks to the industry’s engineers, there are different ways to control unnecessary feedback from a hearing aid. Different hearing aid companies use different strategies. Basically, when a hearing aid detects any feedback, it will create instant signals to cancel the “whistle” from the hearing aid without sacrificing the volume of the hearing aid.
 
LaptopPeopleFM Systems
Hearing aids pick up speech with built-in microphones. As the distance to the speaker increases, speech intelligibility becomes a problem for hearing aid users. This is especially true in noisy situations. The transmitter and the microphone of the FM system pick up the speaker’s voice and deliver it directly to the hearing aid through a receiver unit, thus increasing the signal to noise ratio, with the result that speech intelligibility is tremendously optimized. 

A typical FM system includes a transmitter with a built-in microphone, an antenna, and a receiver unit or a neck loop. Most of the hearing aids in the US are compatible with FM system. 

Telephone Coil
Telephone coils (T-coil) in hearing aids enable people who are hard-of-hearing to talk and listen on the phone without feedback from the hearing aid. However, the hearing aid user has to push a switch to make his hearing aid go into T-coil mode. This is sometimes difficult for people with dexterity problems. Thanks to a recent advance in technology, some hearing aids have the ability to switch on on their own once the telephone is held up to the hearing aid user’s ear (switchless T-coil). Furthermore, with the completely-in-the-canal (CIC) hearing aids that fit deep in the canal and advanced feedback cancellation technology, telephone conversation is possible even without a T-coil.

Invisible Hearing Aids?

LYRIC® HEARING
Invisible. Effortless. 24/7.

Lyric is the world's first 100% invisible extended wear hearing device, The device is comfortably placed in the ear canal, no surgery or anesthesia is required. Lyric can be used 24 hours a day, seven days a week, for up to 4 months at a time (individual replacement needs may vary.) Unlike many other hearing aids, Lyric is positioned deep in the ear canal and uses your ear’s anatomy to provide exceptional sound quality. Lyric lets you hear better and live life to the fullest! Lyric is not appropriate for all individuals; make an appointment with us today to determine if Lyric is right for you.

For more information about Lyric, please visit www.lyrichearing.com.

Bluetooth Technology and Cell Phones & TV

Instead of bluetooth headsets, now patients can get bluetooth neckloop to pair their cell phone with their hearing aids.  Phonak Compilot, Widex M-DEX, and Oticon Streamer are three hearing device manufacturers to utilize the bluetooth technology.  Users can be handfree when they talk on their cell phones, and with a proprietory TV adapter, patients can hear their TV clearly with their hearing aids.

 

Audiological Services of San Francisco
3150 California, San Francisco, CA  94115
(between Lyon & Presidio)
Alice Leung Au.D., CCC-A
audiology.sf@gmail.com
415-346-6886

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