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note frequency value
var noteValues = {
'C0': 16.35,
'C#0': 17.32,
'Db0': 17.32,
'D0': 18.35,
'D#0': 19.45,
'Eb0': 19.45,
'E0': 20.60,
'F0': 21.83,
'F#0': 23.12,
'Gb0': 23.12,
'G0': 24.50,
'G#0': 25.96,
'Ab0': 25.96,
'A0': 27.50,
'A#0': 29.14,
'Bb0': 29.14,
'B0': 30.87,
'C1': 32.70,
'C#1': 34.65,
'Db1': 34.65,
'D1': 36.71,
'D#1': 38.89,
'Eb1': 38.89,
'E1': 41.20,
'F1': 43.65,
'F#1': 46.25,
'Gb1': 46.25,
'G1': 49.00,
'G#1': 51.91,
'Ab1': 51.91,
'A1': 55.00,
'A#1': 58.27,
'Bb1': 58.27,
'B1': 61.74,
'C2': 65.41,
'C#2': 69.30,
'Db2': 69.30,
'D2': 73.42,
'D#2': 77.78,
'Eb2': 77.78,
'E2': 82.41,
'F2': 87.31,
'F#2': 92.50,
'Gb2': 92.50,
'G2': 98.00,
'G#2': 103.83,
'Ab2': 103.83,
'A2': 110.00,
'A#2': 116.54,
'Bb2': 116.54,
'B2': 123.47,
'C3': 130.81,
'C#3': 138.59,
'Db3': 138.59,
'D3': 146.83,
'D#3': 155.56,
'Eb3': 155.56,
'E3': 164.81,
'F3': 174.61,
'F#3': 185.00,
'Gb3': 185.00,
'G3': 196.00,
'G#3': 207.65,
'Ab3': 207.65,
'A3': 220.00,
'A#3': 233.08,
'Bb3': 233.08,
'B3': 246.94,
'C4': 261.63,
'C#4': 277.18,
'Db4': 277.18,
'D4': 293.66,
'D#4': 311.13,
'Eb4': 311.13,
'E4': 329.63,
'F4': 349.23,
'F#4': 369.99,
'Gb4': 369.99,
'G4': 392.00,
'G#4': 415.30,
'Ab4': 415.30,
'A4': 440.00,
'A#4': 466.16,
'Bb4': 466.16,
'B4': 493.88,
'C5': 523.25,
'C#5': 554.37,
'Db5': 554.37,
'D5': 587.33,
'D#5': 622.25,
'Eb5': 622.25,
'E5': 659.26,
'F5': 698.46,
'F#5': 739.99,
'Gb5': 739.99,
'G5': 783.99,
'G#5': 830.61,
'Ab5': 830.61,
'A5': 880.00,
'A#5': 932.33,
'Bb5': 932.33,
'B5': 987.77,
'C6': 1046.50,
'C#6': 1108.73,
'Db6': 1108.73,
'D6': 1174.66,
'D#6': 1244.51,
'Eb6': 1244.51,
'E6': 1318.51,
'F6': 1396.91,
'F#6': 1479.98,
'Gb6': 1479.98,
'G6': 1567.98,
'G#6': 1661.22,
'Ab6': 1661.22,
'A6': 1760.00,
'A#6': 1864.66,
'Bb6': 1864.66,
'B6': 1975.53,
'C7': 2093.00,
'C#7': 2217.46,
'Db7': 2217.46,
'D7': 2349.32,
'D#7': 2489.02,
'Eb7': 2489.02,
'E7': 2637.02,
'F7': 2793.83,
'F#7': 2959.96,
'Gb7': 2959.96,
'G7': 3135.96,
'G#7': 3322.44,
'Ab7': 3322.44,
'A7': 3520.00,
'A#7': 3729.31,
'Bb7': 3729.31,
'B7': 3951.07,
'C8': 4186.01
}
@publicdoename

Was going to do this and now I don't have to do so. Big thanks!!!

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