On Thu, 7 Dec 1995, Rex C. Arthur wrote:
quoted 8 lines technically you can't hear anything below 20Hz (as i'm sure everyone on> technically you can't hear anything below 20Hz (as i'm sure everyone on
> this list knows) but at a high enough volume you can sure as hell feel
> them. especially in your chest. the high end "click thump" sounds actually
> come from the wave front of the low frequencies.
>
> it has also been found that humans can "detect" frequencies above 20kHz,
> which accounts for a lot of the recent interest in higher (above 48kHz)
> sampling rates.
We designed a book for a health insurance company several years back
which was sprinkled with various medical factoids.
One of them said that the normal, healthy ear of a small child was
sensitive to frequencies of up to (if I remember correctly) 40kHz!
However, this degraded pretty quickly down to the normal 20kHz. I'll try
to dig up the exact figure next week.
No wonder kids are so bugged out. Who knows what they're listening to...
jmar!
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