When the vocal cords are of different mass (e.g., when one is swollen) they
vibrate at different frequencies. This is called dipliphonia. It is
horrible to hear and you don't advise a person to continue to phonate while
this is going on. I can't imagine the original comment was anything but
tongue-in-cheek. Cords of the same length? Can you seriously entertain
that this is not a joke?
Just my thoughts.
Michael E. Chesebro, M.A.,C.C.C., S.L.P.
Voice & Fax: 562/983-9965
Wireless: 562/884-2122
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