Third 2


Third 2 :

A unit used in music to describe the ratio in frequency between notes. Two notes differ by a minor third if the higher note has frequency exactly 6/5 times the frequency of the lower one, or by a major third if the higher note has frequency exactly 5/4 times the frequency of the lower one. On the standard 12-tone scale, the minor third is approximated by 3 half steps, corresponding to a frequency ratio of 21/4 = 1.1892; the major third is approximated by 4 half steps, corresponding to a frequency ratio of 21/3 = 1.2599

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