Technologies Compared

There are several competing audio Assistive listening technologies, Induction Loops, Infrared, FM and Personal FM (wireless systems).

The table provides a summary of how they compare.

How they Compare

Advantage Disadvantage Induction Loop Systems FM Systems Infrared Systems
Works directly with the Hearing aid Yes No No
Need additional second receiver No Yes Yes
Receivers need to be:
Charged Not applicable Yes Yes
Cleaned Yes Yes
Repaired Yes Yes
Replaced Yes Yes
Managed Yes Yes
Collected Yes Yes
Returned Yes Yes
Allows user to maintain anonymity Yes No No
Suitable for individual, personal, use only No No No
Provides confidentiality Yes ( Using SuperLoopTM Technology) No Yes
Provides Secrecy No No Yes
Comparative cost of ownership Lowest High Highest
Susceptible to Interference Magnetic Radio/magnetic Sunlight/low energy lighting/magnetic

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