文本阅读:
声音与人耳听觉
表2-4钢琴键的音名和频率
钢琴键
音名
频率(Hz)
钢琴键
音名
频率(Hz)
27.500
45
349.230
29,135
F
369,990
0.868
G
392.000
23456789
32.703
415.300
34,648
440.000
36.708
A4
466.160
38.890
51
493.880
41.203
523.250
43.654
53
554.370
46.249
54
587.330
48.999
55
622.250
51.913
56
659.260
A
55,000
698,460
3456
58.271
58
739.990
B1
61.735
59
783,990
C
65,406
830.610
69296
61
A
880.000
73.416
932.330
19
77.782
B3
987.770
En
82,407
C6
1046.500
87.307
1108.700
22
F
92.499
D
1174.700
23
97.999
67
1244.500
103.820
1318.500
110.000
1396.900
A2
116.540
480.000
23,470
G6
1568.000
130.810
661.200
29
138.590
1760.000