Detune

Detune is 440*power(2,(n/12)) where n is a semitone ( and 1.00 is 100 cents)

0 1 1 0.05 1.002892288 0.997116053 0.1 1.005792941 0.994240424 0.15 1.008701984 0.991373087 0.2 1.01161944 0.98851402 0.25 1.014545335 0.985663199 0.3 1.017479692 0.982820599 0.35 1.020422536 0.979986196 0.4 1.023373892 0.977159968 0.45 1.026333784 0.974341891 0.5 1.029302237 0.971531941 0.55 1.032279275 0.968730095 0.6 1.035264924 0.965936329 0.65 1.038259208 0.96315062 0.7 1.041262153 0.960372945 0.75 1.044273782 0.957603281 0.8 1.047294123 0.954841604 0.85 1.050323199 0.952087892 0.9 1.053361036 0.949342121 0.95 1.056407659 0.946604269 1 1.059463094 0.943874313

const float detuneUp[21] PROGMEM = { 1, // 0 1.002892288, // 0.05 1.005792941, //.1 1.008701984 1.01161944 1.014545335, 1.017479692, 1.020422536, 1.023373892, 1.026333784, 1.029302237, 1.032279275, 1.035264924, 1.038259208, 1.041262153, // .7 1.044273782, 1.047294123, 1.050323199, 1.053361036, 1.056407659, 1.059463094 // 1

};

const float detuneDown[21] PROGMEM = { 1, 0.997116053, 0.994240424, 0.991373087, 0.98851402, 0.985663199, 0.982820599, 0.979986196, 0.977159968, 0.974341891, 0.971531941, 0.968730095, 0.965936329, 0.96315062, 0.960372945, 0.957603281, 0.954841604, 0.952087892, 0.949342121, 0.946604269, 0.943874313 }