(轉帖)音高和頻率
音高和頻率轉換表如下(來源)
Frequency in hertz (semitones above or below middle C) |
Octave→
Note↓ |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
C |
16.352 (−48) |
32.703 (−36) |
65.406 (−24) |
130.81 (−12) |
261.63 (0)
|
523.25 (+12) |
1046.5 (+24) |
2093.0 (+36) |
4186.0 (+48) |
8372.0 (+60) |
C#/Db |
17.324 (−47) |
34.648 (−35) |
69.296 (−23) |
138.59 (−11) |
277.18 (+1) |
554.37 (+13) |
1108.7 (+25) |
2217.5 (+37) |
4434.9 (+49) |
8869.8 (+61) |
D |
18.354 (−46) |
36.708 (−34) |
73.416 (−22) |
146.83 (−10) |
293.66 (+2) |
587.33 (+14) |
1174.7 (+26) |
2349.3 (+38) |
4698.6 (+50) |
9397.3 (+62) |
D#/Eb |
19.445 (−45) |
38.891 (−33) |
77.782 (−21) |
155.56 (−9) |
311.13 (+3) |
622.25 (+15) |
1244.5 (+27) |
2489.0 (+39) |
4978.0 (+51) |
9956.1 (+63) |
E |
20.602 (−44) |
41.203 (−32) |
82.407 (−20) |
164.81 (−8) |
329.63 (+4) |
659.26 (+16) |
1318.5 (+28) |
2637.0 (+40) |
5274.0 (+52) |
10548 (+64) |
F |
21.827 (−43) |
43.654 (−31) |
87.307 (−19) |
174.61 (−7) |
349.23 (+5) |
698.46 (+17) |
1396.9 (+29) |
2793.8 (+41) |
5587.7 (+53) |
11175 (+65) |
F#/Gb |
23.125 (−42) |
46.249 (−30) |
92.499 (−18) |
185.00 (−6) |
369.99 (+6) |
739.99 (+18) |
1480.0 (+30) |
2960.0 (+42) |
5919.9 (+54) |
11840 (+66) |
G |
24.500 (−41) |
48.999 (−29) |
97.999 (−17) |
196.00 (−5) |
392.00 (+7) |
783.99 (+19) |
1568.0 (+31) |
3136.0 (+43) |
6271.9 (+55) |
12544 (+67) |
G#/Ab |
25.957 (−40) |
51.913 (−28) |
103.83 (−16) |
207.65 (−4) |
415.30 (+8) |
830.61 (+20) |
1661.2 (+32) |
3322.4 (+44) |
6644.9 (+56) |
13290 (+68) |
A |
27.500 (−39) |
55.000 (−27) |
110.00 (−15) |
220.00 (−3) |
440.00 (+9) |
880.00 (+21) |
1760.0 (+33) |
3520.0 (+45) |
7040.0 (+57) |
14080 (+69) |
A#/Bb |
29.135 (−38) |
58.270 (−26) |
116.54 (−14) |
233.08 (−2) |
466.16 (+10) |
932.33 (+22) |
1864.7 (+34) |
3729.3 (+46) |
7458.6 (+58) |
14917 (+70) |
B |
30.868 (−37) |
61.735 (−25) |
123.47 (−13) |
246.94 (−1) |
493.88 (+11) |
987.77 (+23) |
1975.5 (+35) |
3951.1 (+47) |
7902.1 (+59) |
15804 (+71) |
人的聽覺和很多音樂設備的頻率範圍是 20 Hz – 20000 Hz,但是成年人一般隻能聽到 30 – 15000 Hz,所以上麵表格的頻率範圍已經足夠用了。
(點擊以下 Link for 正文)
http://blog.wuxinan.net/archives/153
|