Pages

Showing posts with label deaf aids. Show all posts
Showing posts with label deaf aids. Show all posts

Tuesday, January 11, 2011

Hearing Test

A hearing test provides an evaluation of the sensitivity of a person's sense of Hearing Aids and is most often performed by an audiologist using an audiometer. An audiometer is used to determine a person's hearing sensitivity at different frequencies.


Two different types of hearing screening tests are used to screen hearing in babies


Otoacoustic Emissions-One of the tests is called otoacoustic emissions or OAEs. For this test, a miniature earphone and microphone are placed in the ear, sounds are played and a response is measured. If a baby hears normally, an echo is reflected back into the ear canal and is measured by the microphone. When a baby has a hearing loss, no echo can be measured on the OAE test.


Auditory Brainstem Response-The second test is called the auditory brainstem response or ABR. For this test, sounds are played to the baby's ears. Band-aid like electrodes are placed on the baby's head to detect responses. This test measures how the hearing nerve responds to sounds and can identify babies who have a hearing loss
Share/Bookmark

Tuesday, December 14, 2010

Hearing aids Technology

             Hearing aid
hearing aids technology includes the working of a digital hearing aid. I let us know how the modern hearing aids are being used these days by the deaf people or the people with the hearing impairment. Hearing aids are mostly comes with a small device that is wireless as well it is much safe as compared to the old hearing aids.

Wireless hearing aids

Recent hearing aids include wireless hearing aids. One hearing aid can transmit to the other side so that pressing one aid's program button simultaneously changes the other aid and both aids change background settings simultaneously. FM listening systems are now emerging with wireless receivers integrated with the use of Hearing aids. A separate wireless microphone can be given to a partner to wear in a restaurant, in the car, during leisure time, in the shopping mall, at lectures, or during religious services. The voice is transmitted wirelessly to the Hearing aids eliminating the effects of distance and background noise. FM systems have shown to give the best speech understanding in noise of all available technologies. FM systems can also be hooked up to a TV or a stereo.

In developed countries FM systems are considered a cornerstone in the treatment of hearing loss in children. More and more adults discover the benefits of wireless FM systems as well, especially since transmitters with different microphone settings and Bluetooth for wireless cell phone communication have become available.
Many theaters and lecture halls are now equipped with assistive listening systems that transmit the sound directly from the stage; audience members can borrow suitable receivers and hear the program without background noise. In some theatres and churches FM transmitters are available that work with the personal FM receivers of hearing instruments.

Share/Bookmark

Tuesday, November 30, 2010

types of hearing aids

Hearing aids

Some Hearing aids wearers prefer more recent styles that are less visible. These include in-the-canal (ITC), completely-in-the-canal (CIC) and in-the-ear models. Instead of resting behind the ear, all these devices are internally placed in the ear and are nearly invisible.

types of hearing aids


Types of hearing aids
  • 1.1 Body worn aids
  • 1.2 BTE Hearing aids
  • 1.3 In the ear aids (ITE)
  • 1.4 Receiver In the Canal/Ear (RIC/RITE)
  • 1.5 In the canal (ITC), mini canal (MIC) and completely in the canal ai(CIC)
  • 1.6 Invisible In canal hearing aids (IIC)
  • 1.7 Extended wear hearing aids
  • 1.8 Open-fit devices
  • 1.9 Personal, User, Self, or Consumer Programmable
  • 1.10 Disposable hearing aids
  • 1.11 Bone Anchored Hearing Aids (BAHA)
  • 1.12 Eyeglass aids

Share/Bookmark