frequency used in ALS in the 72‒75 MHz or the 216‒217 MHz range, either wide or narrow band channels, (2) adjusted to detect any of the sub-carriers used with IR systems, and (3) include a telecoil...
Search Results "Telecoil"
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EXECUTIVE SUMMARY
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2.1.1 General Description
The telecoil is an "induction" coil, one in which an electrical current is "induced" when it is placed within the electromagnetic field....
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2.1.3 Receivers
2.1.3 Receivers The major advantage of IL systems is that they permit listeners whose hearing aids incorporate telecoils to use their own hearing aids as the receiver....
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2.1.4 Issues
2.1.4 Issues * Only about 30 percent of modern hearing aids in the United States include a telecoil (more than twice this number use telecoils in Europe, which may help explain the popularity...
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2.2.3 Receivers
2.2.3 Receivers The receivers for FM assistive listening systems are basically FM radios "tuned" to the transmitting frequency. Most manufacturer supply a number of receivers that...
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§1193.51(b) Connection point for external audio processing devices
(b) Connection point for external audio processing devices. Products providing auditory output shall provide the auditory signal at a standard signal level through an industry...
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4.1 Research
The investigators attribute this to the higher quality signal the ALS receiver delivered when coupled to a headset, as opposed to a neckloop/telecoil combination....
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Mono Jacks, Sound Pressure, Etc
The 2010 Standards at section 706 require assistive listening systems to have standard mono jacks and will require hearing-aid compatible receivers to have neck loops to interface with telecoils...
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Paragraph (b) (Advisory Guidance)
Individuals using audio peripheral devices such as amplifiers, telecoil adapters, or direct-connection into a hearing aid need a standard, noise free way to tap into the audio generated...