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Default Threshold of hearing - hearing threshold.pdf

Enjoy!



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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.
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On Sat, 19 Sep 2009 11:30:47 -0500, John Fields
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Enjoy!


4kHz (or thereabouts) must be a real painful frequency.
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Sometime get a very good recording of a baby in a real hissyfit cry and see
where it peaks.

Jim



"AnimalMagic" wrote in message
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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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