fasle beats mystery

[Jon Page]

I notice the Doppler effect when someone walks by the piano.
They sometimes try to be so quite but it doesn't matter, the
mere fact of being there disturbs the vibes,  man.
Jon Page
Harwich Port, Cape Cod, Mass. (jpage@capecod.net)
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At 04:00 PM 5/3/97 -0700, you wrote:
>The fan blade chops off pieces of piano sound and sends it back to our
>ears with a doppler-shifted pitch!  Just like the old submarine movies
>where you hear the SONAR sounds in the background.  When sound is coming
>toward you the pitch is higher than when it is going away.  When it
>mixes with the sound your ear gets directly from the piano--instant
>false beats!

>Warren

Jon Page
Harwich Port, Cape Cod, Mass. (jpage@capecod.net)
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