On Fri, 8 Dec 2000, Lawrence Lile wrote:

> Well, he's retired now.  Does anyone have any real data on high frequency
> hearing loss, and some conclusions as to a design rule for beepers?  I am
> thinking that any frequency above 3000 Hz may be inaudible to a large
> segment of the over 55 population.  That sounds low given I used to be able
> to hear 19500 hZ in me bloom of youth, but normal speech has a lot of
> components down in the 500-2000 Hz region, and these people can understand
> normal speech.

I would think a visit to your local audiologist would net you a lot of
information and an enthusiastic supporter.

Dale
---
The most exciting phrase to hear in science, the one that heralds new
discoveries, is not "Eureka!" (I found it!) but "That's funny ..."
                -- Isaac Asimov

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