Twelve-Tone Equal-Tempered Scales
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Though people commonly talk about, for instance, the C major scale or the minor scale, in practice there are many ways to define a musical scale. A musical scale is essentially just a collection of frequencies that are assigned names such as , , F, and so on—these named frequencies comprise the notes or tones of the scale and the distances between any two frequencies make up the intervals of the scale. The octave is a particularly useful interval for tuning purposes and is defined as the interval between one note and another with double or half its frequency.
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Contributed by: Rob Morris and Michael Schreiber (March 2011)
Open content licensed under CC BY-NC-SA
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