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Hearing Assistive te

SLHS

QuestionAnswer
using HAT When amplification is not enough - noise - distance - reverberation
Three acoustic challenges - noise - reverberation - distance
ALDs - have an input, transmitter, and receiver
Types of transmission - hardwired - infrared - Frequency Modulation (FM) - Audio Induction Loop (telecom) - Bluetooth/Roger
Hardwired - TV Ears - Direct Audio input
Infrared The audio signal is carried by infrared light beams from the sound source to an infrared receiver or speaker
Frequency Modulation (FM) - FM systems employ frequency modulated radio waves to transmit a signal from the person speaking to the listener Components: - microphone - transmitter - Receiver
Electromagnetic Induction Loop Components of audio loop: - microphone - amplifier - a coil of wire that is looped around a room or personal listening area Need telecom in the hearing aid or receiver worn by a person - the person needs to remember to turn on the t-coil
Created by: Livy_Marolda
 

 



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