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Disabled Employment Program Glossary Definition (English)
Telephone Amplification Devices Defined
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"Are:
1. Hearing Aid Telecoils: Generally speaking, hearing aids amplify sound picked up by the microphone of the aid. Behind-the-ear and in-the-ear hearing aids can be fitted to pick up electromagnetic signals by inserting an induction coil in the aid. This coil is also known as a "telecoil", "T-coil," or T-switch. In order for the hearing aid telecoil to work with a telephone, the telephone must emit or leak a sufficiently strong electromagnetic field. With the proper telephone and a good T-coil, background noise can be greatly reduced and the quality of the sound coming through the phone will be enhanced considerably. Likewise, the T-coil can be used with assistive listening devices, allowing the hearing aid to magnify the benefits of technology such as audio loops, infrared and FM systems.
2. Telephone Adapter: A portable telephone adapter helps make phones with little or no electro-magnetic field become usable for hearing aid T-coil users by converting the acoustic sound to a stronger electro-magnetic field, which connects with the T-coil in the hearing aid. The telephone adapter is made especially for hearing aid users whose aids have a telephone switch but they also amplify sound coming through the handset for persons who do not have a hearing aid with a T-coil. An elastic strap easily attaches the adapter to the telephone receiver and it is powered by batteries.
3. Amplification Devices:
* Handset Amplifiers: Pay telephones and regular desktop telephones can be equipped with a handset that contains a volume control. This feature can amplify the voice signal coming over the telephone by as much as 30 percent.
* Portable Amplifiers: Any telephone can be temporarily equipped with a portable amplification device that straps onto the earpiece of the telephone handset.
* Permanent Amplifiers: Telephones can also be permanently equipped with desktop amplifiers and speakers to assist people with hearing impairments who use the phone. Assistive listening devices can also be used to adapt regular telephones, enhancing the signal or allowing an individual to use both ears in receiving the voice signal."
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Expert Dictionary: Telephone Amplification Devices
Dictionary: Telephone Amplification Devices
