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John Fields September 19th 09 05:30 PM

Threshold of hearing - hearing threshold.pdf
 
1 Attachment(s)
Enjoy!




AnimalMagic September 19th 09 10:40 PM

Threshold of hearing - hearing threshold.pdf
 
On Sat, 19 Sep 2009 11:30:47 -0500, John Fields
wrote:

Enjoy!



I like the top spot item. An evacuation siren!


I find it weird that the commonly known reference source was not even
mentioned... the horn of a passing train is pretty dang loud.

AnimalMagic September 19th 09 10:45 PM

Threshold of hearing - hearing threshold.pdf
 
On Sat, 19 Sep 2009 11:30:47 -0500, John Fields
wrote:

Enjoy!


4kHz (or thereabouts) must be a real painful frequency.

RST Engineering - JIm September 19th 09 11:23 PM

Threshold of hearing - hearing threshold.pdf
 
Sometime get a very good recording of a baby in a real hissyfit cry and see
where it peaks.

Jim



"AnimalMagic" wrote in message
...
On Sat, 19 Sep 2009 11:30:47 -0500, John Fields
wrote:

Enjoy!


4kHz (or thereabouts) must be a real painful frequency.





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