Infra Red Loops

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Infrared assistive listening system

The range of Infrared assistive listening units transmits audio to neck loop receivers or headphones using infrared light, providing high quality wireless secure hearing assistance for applications such as schools, courts and cinemas.

Were Do I Need Assistive listening Devices?

Facilities for the hard of hearing are required by both the building regulations document M and by the DDA (Disabled Discrimination Act) in places where the public need to hear information, or where customers are separated from staff by a glass partition (for further details see our guide to Induction Loops). An Induction loop amplifier will satisfy the requirements of both pieces of legislation with the minimum of fuss, and without the need to hire and maintain receivers.

How Does It Work?

An Infrared transmitter takes audio from microphones and other audio sources, such as mixing desks and CD players and processes the audio using a compressor limiter to ensure that the sound has a fixed dynamic range (so quiet sounds are amplified and loud sounds are attenuated to prevent amplifier overloading). The processed sound is then passed to an output stage which converts the audio to a frequency modulated infrared light beam. This light then passes to dedicated receivers worn by the user. This receiver converts the light to either audio for headphones, good for people with hearing loss who do not have a hearing aid, or to an induction loop coil for users with T coil equipped hearing aids.

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