《听觉神经科学》第三章详细讨论了西方音乐中使用的音高间隔。为了方便起见,从 http://www.phy.mtu.edu/~suits/notefreqs.html.上复制了一个等律音阶的基频表格。
按照惯例,A4 = 440 Hz。
音符之间由"半音"间隔分开。每个八度有12个半音,基频呈对数间隔分布,所以每个音符的基频是前一个频率的2(1/12) = 1.0595倍。
波长值假设声速为345 m/s。
("中央C"是C4)
Note | Frequency (Hz) | Wavelength (cm) |
---|---|---|
C0 | 16.35 | 2109.89 |
C#0/Db0 | 17.32 | 1991.47 |
D0 | 18.35 | 1879.69 |
D#0/Eb0 | 19.45 | 1770. |
E0 | 20.60 | 1670. |
F0 | 21.83 | 1580. |
F#0/Gb0 | 23.12 | 1490. |
G0 | 24.50 | 1400. |
G#0/Ab0 | 25.96 | 1320. |
A0 | 27.50 | 1250. |
A#0/Bb0 | 29.14 | 1180. |
B0 | 30.87 | 1110. |
C1 | 32.70 | 1050. |
C#1/Db1 | 34.65 | 996. |
D1 | 36.71 | 940. |
D#1/Eb1 | 38.89 | 887. |
E1 | 41.20 | 837. |
F1 | 43.65 | 790. |
F#1/Gb1 | 46.25 | 746. |
G1 | 49.00 | 704. |
G#1/Ab1 | 51.91 | 665. |
A1 | 55.00 | 627. |
A#1/Bb1 | 58.27 | 592. |
B1 | 61.74 | 559. |
C2 | 65.41 | 527. |
C#2/Db2 | 69.30 | 498. |
D2 | 73.42 | 470. |
D#2/Eb2 | 77.78 | 444. |
E2 | 82.41 | 419. |
F2 | 87.31 | 395. |
F#2/Gb2 | 92.50 | 373. |
G2 | 98.00 | 352. |
G#2/Ab2 | 103.83 | 332. |
A2 | 110.00 | 314. |
A#2/Bb2 | 116.54 | 296. |
B2 | 123.47 | 279. |
C3 | 130.81 | 264. |
C#3/Db3 | 138.59 | 249. |
D3 | 146.83 | 235. |
D#3/Eb3 | 155.56 | 222. |
E3 | 164.81 | 209. |
F3 | 174.61 | 198. |
F#3/Gb3 | 185.00 | 186. |
G3 | 196.00 | 176. |
G#3/Ab3 | 207.65 | 166. |
A3 | 220.00 | 157. |
A#3/Bb3 | 233.08 | 148. |
B3 | 246.94 | 140. |
C4 | 261.63 | 132. |
C#4/Db4 | 277.18 | 124. |
D4 | 293.66 | 117. |
D#4/Eb4 | 311.13 | 111. |
E4 | 329.63 | 105. |
F4 | 349.23 | 98.8 |
F#4/Gb4 | 369.99 | 93.2 |
G4 | 392.00 | 88.0 |
G#4/Ab4 | 415.30 | 83.1 |
A4 | 440.00 | 78.4 |
A#4/Bb4 | 466.16 | 74.0 |
B4 | 493.88 | 69.9 |
C5 | 523.25 | 65.9 |
C#5/Db5 | 554.37 | 62.2 |
D5 | 587.33 | 58.7 |
D#5/Eb5 | 622.25 | 55.4 |
E5 | 659.26 | 52.3 |
F5 | 698.46 | 49.4 |
F#5/Gb5 | 739.99 | 46.6 |
G5 | 783.99 | 44.0 |
G#5/Ab5 | 830.61 | 41.5 |
A5 | 880.00 | 39.2 |
A#5/Bb5 | 932.33 | 37.0 |
B5 | 987.77 | 34.9 |
C6 | 1046.50 | 33.0 |
C#6/Db6 | 1108.73 | 31.1 |
D6 | 1174.66 | 29.4 |
D#6/Eb6 | 1244.51 | 27.7 |
E6 | 1318.51 | 26.2 |
F6 | 1396.91 | 24.7 |
F#6/Gb6 | 1479.98 | 23.3 |
G6 | 1567.98 | 22.0 |
G#6/Ab6 | 1661.22 | 20.8 |
A6 | 1760.00 | 19.6 |
A#6/Bb6 | 1864.66 | 18.5 |
B6 | 1975.53 | 17.5 |
C7 | 2093.00 | 16.5 |
C#7/Db7 | 2217.46 | 15.6 |
D7 | 2349.32 | 14.7 |
D#7/Eb7 | 2489.02 | 13.9 |
E7 | 2637.02 | 13.1 |
F7 | 2793.83 | 12.3 |
F#7/Gb7 | 2959.96 | 11.7 |
G7 | 3135.96 | 11.0 |
G#7/Ab7 | 3322.44 | 10.4 |
A7 | 3520.00 | 9.8 |
A#7/Bb7 | 3729.31 | 9.3 |
B7 | 3951.07 | 8.7 |
C8 | 4186.01 | 8.2 |
C#8/Db8 | 4434.92 | 7.8 |
D8 | 4698.64 | 7.3 |
D#8/Eb8 | 4978.03 | 6.9 |