中央C的序号是60，标准音A440的标号是69，钢琴的音域对应音符应是21~108
| 十进制 | 二进制 | 十六进制 | 音节 | 音符 |
|---|---|---|---|---|
| 0 | 0000000 | 00 | -1 | C |
| 1 | 0000001 | 01 | -1 | C# |
| 2 | 0000010 | 02 | -1 | D |
| 3 | 0000011 | 03 | -1 | D# |
| 4 | 0000100 | 04 | -1 | E |
| 5 | 0000101 | 05 | -1 | F |
| 6 | 0000110 | 06 | -1 | F# |
| 7 | 0000111 | 07 | -1 | G |
| 8 | 0001000 | 08 | -1 | G# |
| 9 | 0001001 | 09 | -1 | A |
| 10 | 0001010 | 0A | -1 | A# |
| 11 | 0001011 | 0B | -1 | B |
| 12 | 0001100 | 0C | 0 | C |
| 13 | 0001101 | 0D | 0 | C# |
| 14 | 0001110 | 0E | 0 | D |
| 15 | 0001111 | 0F | 0 | D# |
| 16 | 0010000 | 10 | 0 | E |
| 17 | 0010001 | 11 | 0 | F |
| 18 | 0010010 | 12 | 0 | F# |
| 19 | 0010011 | 13 | 0 | G |
| 20 | 0010100 | 14 | 0 | G# |
| 21 | 0010101 | 15 | 0 | A |
| 22 | 0010110 | 16 | 0 | A# |
| 23 | 0010111 | 17 | 0 | B |
| 24 | 0011000 | 18 | 1 | C |
| 25 | 0011001 | 19 | 1 | C# |
| 26 | 0011010 | 1A | 1 | D |
| 27 | 0011011 | 1B | 1 | D# |
| 28 | 0011100 | 1C | 1 | E |
| 29 | 0011101 | 1D | 1 | F |
| 30 | 0011110 | 1E | 1 | F# |
| 31 | 0011111 | 1F | 1 | G |
| 32 | 0100000 | 20 | 1 | G# |
| 33 | 0100001 | 21 | 1 | A |
| 34 | 0100010 | 22 | 1 | A# |
| 35 | 0100011 | 23 | 1 | B |
| 36 | 0100100 | 24 | 2 | C |
| 37 | 0100101 | 25 | 2 | C# |
| 38 | 0100110 | 26 | 2 | D |
| 39 | 0100111 | 27 | 2 | D# |
| 40 | 0101000 | 28 | 2 | E |
| 41 | 0101001 | 29 | 2 | F |
| 42 | 0101010 | 2A | 2 | F# |
| 43 | 0101011 | 2B | 2 | G |
| 44 | 0101100 | 2C | 2 | G# |
| 45 | 0101101 | 2D | 2 | A |
| 46 | 0101110 | 2E | 2 | A# |
| 47 | 0101111 | 2F | 2 | B |
| 48 | 0110000 | 30 | 3 | C |
| 49 | 0110001 | 31 | 3 | C# |
| 50 | 0110010 | 32 | 3 | D |
| 51 | 0110011 | 33 | 3 | D# |
| 52 | 0110100 | 34 | 3 | E |
| 53 | 0110101 | 35 | 3 | F |
| 54 | 0110110 | 36 | 3 | F# |
| 55 | 0110111 | 37 | 3 | G |
| 56 | 0111000 | 38 | 3 | G# |
| 57 | 0111001 | 39 | 3 | A |
| 58 | 0111010 | 3A | 3 | A# |
| 59 | 0111011 | 3B | 3 | B |
| 60 | 0111100 | 3C | 4 | C |
| 61 | 0111101 | 3D | 4 | C# |
| 62 | 0111110 | 3E | 4 | D |
| 63 | 0111111 | 3F | 4 | D# |
| 64 | 1000000 | 40 | 4 | E |
| 65 | 1000001 | 41 | 4 | F |
| 66 | 1000010 | 42 | 4 | F# |
| 67 | 1000011 | 43 | 4 | G |
| 68 | 1000100 | 44 | 4 | G# |
| 69 | 1000101 | 45 | 4 | A |
| 70 | 1000110 | 46 | 4 | A# |
| 71 | 1000111 | 47 | 4 | B |
| 72 | 1001000 | 48 | 5 | C |
| 73 | 1001001 | 49 | 5 | C# |
| 74 | 1001010 | 4A | 5 | D |
| 75 | 1001011 | 4B | 5 | D# |
| 76 | 1001100 | 4C | 5 | E |
| 77 | 1001101 | 4D | 5 | F |
| 78 | 1001110 | 4E | 5 | F# |
| 79 | 1001111 | 4F | 5 | G |
| 80 | 1010000 | 50 | 5 | G# |
| 81 | 1010001 | 51 | 5 | A |
| 82 | 1010010 | 52 | 5 | A# |
| 83 | 1010011 | 53 | 5 | B |
| 84 | 1010100 | 54 | 6 | C |
| 85 | 1010101 | 55 | 6 | C# |
| 86 | 1010110 | 56 | 6 | D |
| 87 | 1010111 | 57 | 6 | D# |
| 88 | 1011000 | 58 | 6 | E |
| 89 | 1011001 | 59 | 6 | F |
| 90 | 1011010 | 5A | 6 | F# |
| 91 | 1011011 | 5B | 6 | G |
| 92 | 1011100 | 5C | 6 | G# |
| 93 | 1011101 | 5D | 6 | A |
| 94 | 1011110 | 5E | 6 | A# |
| 95 | 1011111 | 5F | 6 | B |
| 96 | 1100000 | 60 | 7 | C |
| 97 | 1100001 | 61 | 7 | C# |
| 98 | 1100010 | 62 | 7 | D |
| 99 | 1100011 | 63 | 7 | D# |
| 100 | 1100100 | 64 | 7 | E |
| 101 | 1100101 | 65 | 7 | F |
| 102 | 1100110 | 66 | 7 | F# |
| 103 | 1100111 | 67 | 7 | G |
| 104 | 1101000 | 68 | 7 | G# |
| 105 | 1101001 | 69 | 7 | A |
| 106 | 1101010 | 6A | 7 | A# |
| 107 | 1101011 | 6B | 7 | B |
| 108 | 1101100 | 6C | 8 | C |
| 109 | 1101101 | 6D | 8 | C# |
| 110 | 1101110 | 6E | 8 | D |
| 111 | 1101111 | 6F | 8 | D# |
| 112 | 1110000 | 70 | 8 | E |
| 113 | 1110001 | 71 | 8 | F |
| 114 | 1110010 | 72 | 8 | F# |
| 115 | 1110011 | 73 | 8 | G |
| 116 | 1110100 | 74 | 8 | G# |
| 117 | 1110101 | 75 | 8 | A |
| 118 | 1110110 | 76 | 8 | A# |
| 119 | 1110111 | 77 | 8 | B |
| 120 | 1111000 | 78 | 9 | C |
| 121 | 1111001 | 79 | 9 | C# |
| 122 | 1111010 | 7A | 9 | D |
| 123 | 1111011 | 7B | 9 | D# |
| 124 | 1111100 | 7C | 9 | E |
| 125 | 1111101 | 7D | 9 | F |
| 126 | 1111110 | 7E | 9 | F# |
| 127 | 1111111 | 7F | 9 | G |
