Table 2 Critical Bands for 2048-point DFT, sampling frequency 48 kHz [40].
From: A Multimedia Application: Spatial Perceptual Entropy of Multichannel Audio Signals
CB Index | Frequency Range (Hz) | Spectral Index | CB Index | Frequency Range (Hz) | CB Index |
|---|---|---|---|---|---|
1 | 0 | 0 | 14 | 2000 | 85 |
2 | 100 | 4 | 15 | 2320 | 99 |
3 | 200 | 9 | 16 | 2700 | 115 |
4 | 300 | 13 | 17 | 3150 | 134 |
5 | 400 | 17 | 18 | 3700 | 158 |
6 | 510 | 22 | 19 | 4400 | 188 |
7 | 630 | 27 | 20 | 5300 | 226 |
8 | 770 | 33 | 21 | 6400 | 273 |
9 | 920 | 39 | 22 | 7700 | 329 |
10 | 1080 | 46 | 23 | 9500 | 405 |
11 | 1270 | 54 | 24 | 12000 | 512 |
12 | 1480 | 63 | 25 | 15000 | 640 |
13 | 1720 | 73 | — | — | — |
100
3
2320
98
200
8
2700
114
300
12
3150
133
400
16
3700
157
510
21
4400
187
630
26
5300
225
770
32
6400
272
920
38
7700
328
1080
45
9500
404
1270
53
12000
511
1480
62
15000
639
1720
72
24000
1023
2000
84