[筆記-60]midi 編號對應音高表

frequency	65.4	100	130.8	261.6	277.1	293.6	311.1	329.6	349.2	370	392	415.3	440	466.1	493.8	523.2
midi	36	43	48	60	61	62	63	64	65	66	67	68	69	70	71	72
note name	C2	G2	C3	C4	C#4	D4	D#4	E4	F4	F#4	G4	G#4	A4	Bb4	B4	C5