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Re: recording very high frequency with standard mics

Subject: Re: recording very high frequency with standard mics
From: "Raimund Specht" animalsounds
Date: Sat Mar 24, 2007 3:14 am ((PDT))
I'm used to rub two of my fingers against each other to quickly test
ultrasound microphones. The tiny fingerprint structures produce a
surprisingly smooth ultrasonic noise. This is of course not a
absolutely  reliable "measurement" method, but it can provide some
useful  information very quickly:

http://www.avisoft.com/scratch/RubingFingers.wav
http://www.avisoft.com/scratch/RubingFingers.jpg

Regards,
Raimund





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