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Re: [Phys-L] non-linear ears.

On 2020/Oct/30, at 08:29, Paul Nord <> wrote:

What's interesting is that the standard hearing test you might get from a
doctor only goes up to 8 kHz. They apparently don't consider hearing loss
above those frequencies to be important.


Forum for Physics Educators <> <>

Which angers me.

There was a porous white cylinder in the plastic tube between the aid and the tubing to the ear mold in my system. I thought it was a liquid block. Not! But A low pass filter! I removed it and now can hear clock ticking and other high frequency sounds. Also, tho the majority of voice is below 8k Hz, I’ve found a little better comprehension W/O the filter.

bc … being an amateur horologist, is pleased; likely can now hear crickets, also

Project: Use the recently acquired Vernier sound sensor and Logger Pro’s included FFT to characterize clock ticks.