What is an Infrared (IR) System?

An IR System, an assistive listening device, is a wireless system that uses infrared light to transmit sound. A transmitter converts sound into a light signal and beams it to a receiver that is worn by the listener. The receiver decodes the infrared signal back to sound. These systems can only be used indoors and the receiver must be in the direct line of sight of the light bean from the transmitter. People whose hearing aids or cochlear implants have a telecoil may also wear a neckloop or silhouette inductor to convert the infrared signal into a magnetic signal, which can be picked up through their telecoil.

Female wearing infrared system at a performance venue.


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