matlab钢琴键位do编程,按下钢琴一个键，程序如何识别出是哪个键

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2019-11-11 14:41:19 +08:00   1

键频率(HZ)精确值　 键频率(HZ)精确值

a027.50027.5000000000　f4349.228349.2282314330

a#029.13529.1352350949　f#4369.994369.9944227116

b030.86830.8677063285　g4391.995391.9954359817

c132.70332.7031956626　g#4415.305415.3046975799

c#134.64834.6478288721　a4440.000440.0000000000

d136.70836.7080959897　a#4466.164466.1637615181

d#138.89138.8908729653　b4493.883493.8833012561

e141.20341.2034446141　c5523.251523.2511306012

f143.65443.6535289291　c#5554.365554.3652619538

f#146.24946.2493028389　d5587.330587.3295358348

g148.99948.9994294977　d#5622.254622.2539674442

g#151.91351.9130871975　e5659.255659.2551138258

a155.00055.0000000000　f5698.456698.4564628660

a#158.27058.2704701898　f#5739.989739.9888454233

b161.73561.7354126570　g5783.991783.9908719635

c265.40665.4063913251　g#5830.609830.6093951599

c#269.29669.2956577442　a5880.000880.0000000000

d273.41673.4161919793　a#5932.328932.3275230362

d#277.78277.7817459305　b5987.767987.7666025123

e282.40782.4068892282　c61046.5021046.5022612025

f287.30787.3070578582　c#61108.7311108.7305239076

f#292.49992.4986056779　d61174.6591174.6590716697

g297.99997.9988589954　d#61244.5081244.5079348884

g#2103.826103.8261743950　e61318.5101318.5102276516

a2110.000110.0000000000　f61396.9131396.9129257321

a#2116.541116.5409403795　f#61479.9781479.9776908467

b2123.471123.4708253140　g61567.9821567.9817439272

c3130.813130.8127826503　g#61661.2191661.2187903200

c#3138.591138.5913154884　a61760.0001760.0000000002

d3146.832146.8323839587　a#61864.6551864.6550460726

d#3155.563155.5634918610　b61975.5331975.5332050247

e3164.814164.8137784564　c72093.0052093.0045224050

f3174.614174.6141157165　c#72217.4612217.4610478153

f#3184.997184.9972113558　d72349.3182349.3181433396

g3195.998195.9977179909　d#72489.0162489.0158697770

g#3207.652207.6523487900　e72637.0202637.0204553033

a3220.000220.0000000000　f72793.8262793.8258514644

a#3233.082233.0818807590　f#72959.9552959.9553816935

b3246.942246.9416506281　g73135.9633135.9634878545

c4261.626261.6255653006　g#73322.4383322.4375806401

c#4277.183277.1826309769　a73520.0003520.0000000006

d4293.665293.6647679174　a#73729.3103729.3100921453

d#4311.127311.1269837221　b73951.0663951.0664100497

e4329.628329.6275569129　c84186.0094186.0090448103

注：半音程倍数值：1.0594630943593。 音分倍数值(半音程=100 音分)：1.00057779