Wireless
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, so that 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.
2.4 gigahertz Bluetooth connectivity is the
most recent innovation in wireless interfacing for hearing instruments to audio
sources such as TV streamers or Bluetooth enabled mobile phones. Current
hearing aids generally do not stream directly via Bluetooth but rather do so
through a secondary streaming device (usually worn around the neck or in a
pocket), this bluetooth enabled secondary device then streams wirelessly to the
hearing aid but can only do so over a short distance. This technology can be
applied to ready-to-wear devices (BTE, Mini BTE, RIE, etc.) or to custom made
devices that fit directly into the ear.
Oticon hearing aids for
use with Bluetoothwireless devices.
Phonak wireless FM
system
·
ReSound Alera Hearing
Aid
·
ReSound Alera Unite
Wireless Accessories
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 theatres 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.
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