// Functions for converting frequencies to notes.
// The size of each note.
note[f] :=
{
notesize = 2^(1/12)
noteNames = ["C", "C#/Db", "D", "D#/Eb", "E", "F", "F#/Gb", "G", "G#/Ab", "A", "A#/Bb", "B"]
A4 = 440 Hz
C4 = A4 / (notesize^9)
C0 = C4 / 2^4
ratio = f/C0
notes = ln[ratio]/ln[notesize]
roundnotes = round[notes]
octaves = floor[roundnotes/12]
scale = roundnotes - (octaves * 12)
return noteNames@scale + octaves
}
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Alan Eliasen was born 14705 days, 19 hours, 53 minutes ago.