miércoles, 1 de febrero de 2017

1006. Out of tune?

    Dear Teacher:
    I've studied musical harmonics... a little. If the 1st harmonic is C4 (do4) then the 2nd harmonic is C5 (do5) which is found after 12 semitones along a pitch scale with audible frequencies in geometric progression until the double-frequency sound wave. I can calculate its common ratio:

    The 3rd harmonic is G5 (sol5) which is found after 19 semitones towards the triple-frequency wave, so the ratio would be:

    Are you sure that Music is based on Mathematics?

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