In article "Dr. Norm Archer" <[log in to unmask]> writes:
>John: Have you actually tried this system out? There will be
>feedback squeals from such a system if the speaker is in the
>same room, because the mike is not directional. Before buying such a
>system, try it out in the store.
A doctor in speech pathology, told me about the system which some of his
Parkinson's patients use.
>To make this system work if the speaker is in the same room, the mike
>must be unidirectional (will only pick up sounds from straight in
>front of it) and it must have a support mechanism which holds it
>directly in front of the mouth.
The advantage of a system that is available in a retail store is the
opportunity to try it out before you buy it.
This little system that you can attach on the clothing has an on-off switch on
the microphone so it can be turned on when talking and off when you are not
anticipating talking to anyone. The volume control on the speaker its' self
will compensate for the feedback you describe. As with any voice amplification
system, limitations decrease as the operator becomes experienced in its
operation. The doctor also told me some patients carry the speaker in their
pocket.
John Cottingham "The parkinsn list brings Knowledge, Comfort,
Hope, and Friendship to the parkinsonian world."
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