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[Phys-L] Re: sound frequency in helium



--- "Folkerts, Timothy J" <FolkertsT@BARTONCCC.EDU>
wrote:
It is only sort of a change in pitch.


This is an important point.

The vocal sound of a person who has breathed helium
isn't just higher; it's weird.

A spectrum analyzer will still show the same
fundamental, but it will also show a shift to higher
harmonics. This is an unusual situation, and so it
creates an unusual sound.

Marc "Zeke" Kossover
The Jewish Community High School of the Bay



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