This is similar to two ranks of organ pipes which are identical except one is tuned slightly sharp to the other, called a celeste rank, to create beats. Merry
In a message dated 11/18/2002 9:50:47 AM Eastern Standard Time, johnlink@n... writes:
> Dean FH Macy wrote: > > > The sound of a chorus is unique because most > > people in a chorus do not have perfect pitch. If they did, the > > resulting sound would be dull/flat sounding. The members in a chorus > > sing on pitch and somewhere between the lower edge and upper edge of > > pitch. This sound, the 'detuned' chorus, sets up harmonies, call it a > > natural vibrato, which yields a rich, full sound. > > This important phenomenon is not "vibrato", but rather the "chorus > effect". It is the same phenomenon that allows us to > distinguish the > sound of one violin from that of a violin section. > > John Link
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