I have noticed that years of long days in data centers has injured my abili=
ty to hear
sound in the frequency range that server fans run at - which coincidentally=
 is also
near the range for many female voices :)

Another co-worker and I were talking about the fact that in a crowd we find=
 it
difficult to hear what females are saying (our wives) but could hear each o=
ther's
male voices comfortably.

On Jan 10, 2013, at 4:34 PM, Herbert Graf wrote:

> On Mon, 2013-01-07 at 11:47 -0500, John Ferrell wrote:
>> BTW, hearing aids don't even try above 8 khz.
>=20
> Makes sense.
>=20
> For most people, for a normal progression of hearing loss, the first
> thing to go is the high frequency response.
>=20
> For a person who needs a hearing aid, trying to boost that high range
> would mean not being able to boost the lower end as much, and what's the
> point of boosting a part of the spectrum that the ear is SUPER hard to
> detect anyways?
>=20
> TTYL
>=20
> --=20
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist


--=20
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