[Doug McDonald[_6_]]

On 3/6/2012 7:25 PM, Trevor wrote:
"Arny wrote in message
...
(2) Hearing is based on hair cells within the Organ of Corti on the
Basilar membrane, with the high frequency related hairs first. The first
cells generally respond to frequencies just below 20 KHz, and there are no
hair cells that respond to higher frequencies.

Not true for very young females, who have demonstrated an ability to hear
beyond 20kHz. However they have almost universally demonstrated they don't
care.

Even men can hear well above 20 kHz. When in college
I could hear to 23kHz and I am male ... and cared even back then.

Of course, there was no source material of consequence.

Doug McDonald