Hetrodynr

heterodyne: To combine by intermodulation (two alternating signals, esp radio signals) to produce two signals having frequencies corresponding to the sum and the difference of the original frequencies Humans perceive consonant (harmonious) and dissonant (clashing) sounds from the relation of frequency ratios: 2/1 (220/110), 3/2 (220/146.66, 4/3 (220/165), 5/4 (220/176),…

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