Hearing Tune

Assistive Listening Devices (ALDs)


	Assistive listening devices are amplification system that can be used with or without hearing aids. They are designed to overcome the problem of background noise, talking distance and room acoustics for people with hearing difficulties.
	Common types of Assistive Listening Devices:
	1.	Personal FM systems	:	consists of a transmitter microphone used by the speaker and a receiver used by the listener. Sound is directly transmitted to the hearing aid via the receiver.
	2.	FM systems	:	commonly used in theatres, churches, lecturer rooms and convention centers. A FM receiver is usually provided to connect to your hearing aid.
	3.	Amplified devices	:	amplify sound signals to raise the alertness of people with hearing difficulties. Devices include doorbell alerting devices, amplified telephones, amplified/vibrating wake-up alarms and so on.