Freqüències del Piano
De Viquipèdia
Aquest és un piano virtual amb 88 tecles, afinat a partir de la nota La 440, que mostra les freqüències, en cicles per segon (Hz), de cada nota.
[edita] Piano Virtual
| Número de la Nota | Nom de la Nota | Freqüència |
| 88 | Do8 | 4186.01 |
| 87 | Si7 | 3951.07 |
| 86 | La#7/Sib7 | 3729.31 |
| 85 | La7 | 3520 |
| 84 | Sol#7/Lab7 | 3322.44 |
| 83 | Sol7 | 3135.96 |
| 82 | Fa#7/Solb7 | 2959.96 |
| 81 | Fa7 | 2793.83 |
| 80 | Mi7 | 2637.02 |
| 79 | Re#7/Mib7 | 2489.02 |
| 78 | Re7 | 2349.32 |
| 77 | Do#7/Reb7 | 2217.46 |
| 76 | Do7 | 2093 |
| 75 | Si6 | 1975.53 |
| 74 | La#6/Sib6 | 1864.66 |
| 73 | La6 | 1760 |
| 72 | Sol#6/Lab6 | 1661.22 |
| 71 | Sol6 | 1567.98 |
| 70 | Fa#6/Solb6 | 1479.98 |
| 69 | Fa6 | 1396.91 |
| 68 | Mi6 | 1318.51 |
| 67 | Re#6/Mib6 | 1244.51 |
| 66 | Re6 | 1174.66 |
| 65 | Do#6/Reb6 | 1108.73 |
| 64 | Do6 | 1046.5 |
| 63 | Si5 | 987.767 |
| 62 | La#5/Sib5 | 932.328 |
| 61 | La5 | 880 |
| 60 | Sol#5/Lab5 | 830.609 |
| 59 | Sol5 | 783.991 |
| 58 | Fa#5/Solb5 | 739.989 |
| 57 | Fa5 | 698.456 |
| 56 | Mi5 | 659.255 |
| 55 | Re#5/Mib5 | 622.254 |
| 54 | Re5 | 587.33 |
| 53 | Do#5/Reb5 | 554.365 |
| 52 | Do5 | 523.251 |
| 51 | Si4 | 493.883 |
| 50 | La#4/Sib4 | 466.164 |
| 49 | La4 (La 440) | 440 |
| 48 | Sol#4/Lab4 | 415.305 |
| 47 | Sol4 | 391.995 |
| 46 | Fa#4/Solb4 | 369.994 |
| 45 | Fa4 | 349.228 |
| 44 | Mi4 | 329.628 |
| 43 | Re#4/Mib4 | 311.127 |
| 42 | Re4 | 293.665 |
| 41 | Do#4/Reb4 | 277.183 |
| 40 | Do4 (Do central) | 261.626 |
| 39 | Si3 | 246.942 |
| 38 | La#3/Sib3 | 233.082 |
| 37 | La3 | 220 |
| 36 | Sol#3/Lab3 | 207.652 |
| 35 | Sol3 | 195.998 |
| 34 | Fa#3/Solb3 | 184.997 |
| 33 | Fa3 | 174.614 |
| 32 | Mi3 | 164.814 |
| 31 | Re#3/Mib3 | 155.563 |
| 30 | Re3 | 146.832 |
| 29 | Do#3/Reb3 | 138.591 |
| 28 | Do3 | 130.813 |
| 27 | Si2 | 123.471 |
| 26 | La#2/Sib2 | 116.541 |
| 25 | La2 | 110 |
| 24 | Sol#2/Lab2 | 103.826 |
| 23 | Sol2 | 97.9989 |
| 22 | Fa#2/Solb2 | 92.4986 |
| 21 | Fa2 | 87.3071 |
| 20 | Mi2 | 82.4069 |
| 19 | Re#2/Mib2 | 77.7817 |
| 18 | Re2 | 73.4162 |
| 17 | C#2/Db2 | 69.2957 |
| 16 | Do2 | 65.4064 |
| 15 | Si1 | 61.7354 |
| 14 | La#1/Sib1 | 58.2705 |
| 13 | La1 | 55 |
| 12 | Sol#1/Lab1 | 51.9130 |
| 11 | Sol1 | 48.9995 |
| 10 | Fa#1/Solb1 | 46.2493 |
| 9 | Fa1 | 43.6536 |
| 8 | Mi1 | 41.2035 |
| 7 | Re#1/Mib1 | 38.8909 |
| 6 | Re1 | 36.7081 |
| 5 | Do#1/Reb1 | 34.6479 |
| 4 | Do1 | 32.7032 |
| 3 | Si0 | 30.8677 |
| 2 | La#0/Sib0 | 29.1353 |
| 1 | La0 | 27.5 |

