In article ,
Girth wrote:

http://www.cnn.com/2003/TECH/science...eut/index.html


There was an article about this in Hifi News months ago.


I'm always behind the times.
It's exciting when testing uncovers what
was always known.



Joe

"Joe Duffy" wrote in message


As much as it goes against the grain
of the crippled fuhrer of rao's agenda,
I will post this bit of audio info:

http://www.cnn.com/2003/TECH/science...eut/index.html

Measuring has always lagged behind perception.

How so? Measuring low frequency, even infrasonic sound is just a matter of
having the right measuring gear.

Google pulled up this paper about infrasonic measurements right quickly:

http://www.etl.noaa.gov/et1/infrasound/infrasonic.html

It includes footnotes going back up to 45 years.