Highlights
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For what it’s worth, semitones are constructed such that each note has a frequency roughly 1.059 times higher than the one before it: if we started off with a pitch at 1000 Hz, then one semitone higher would be 1059 Hz, which is 1000 times 1.059, which is obviously very easy to calculate, and gives us a semitone whose absolute length is 59 Hz. But one semitone higher than 1059 Hz would be 1059 times 1.059, which comes out at 1122 Hz, and that gives us a semitone length of 63 Hz (the difference between 1122 Hz and 1059 Hz).
Location 184