Inharmonic
In music,
inharmonic refers to the degree to which the
frequencies of the overtones of a
fundamental differ from
whole number multiples of the fundamental's frequency. These inharmonic overtones are often distinguished from
harmonic overtones, all whole number multiples, by calling them
partials, though partial may also be used to refer to both. Since the harmonics contribute to the sense of sounds as
pitcheded or unpitched, the more inharmonic a sound the less definite it becomes in pitch. Many percussion instruments such as cymbals, tam-tams, and chimes, create complex and inharmonic sounds. Strings are less inharmonic the closer they are to their breaking points, and the amount inharmonicity is thus an important consideration for piano tuners.
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