TABLE II.
Channel number | Division frequencies for noise-band vocoding (Hz) | |||||
---|---|---|---|---|---|---|
Number of channels | ||||||
24 | 8 | |||||
Min | Max | BW | Min | Max | BW | |
1 | 100 | 131 | 31 | 100 | 204 | 104 |
2 | 131 | 165 | 34 | 204 | 352 | 148 |
3 | 165 | 204 | 39 | 352 | 563 | 211 |
4 | 204 | 248 | 44 | 563 | 863 | 300 |
5 | 248 | 297 | 49 | 863 | 1291 | 428 |
6 | 297 | 352 | 55 | 1291 | 1900 | 609 |
7 | 352 | 414 | 62 | 1900 | 2766 | 866 |
8 | 414 | 484 | 70 | 2766 | 4000 | 1234 |
9 | 484 | 563 | 79 | |||
10 | 563 | 652 | 89 | |||
11 | 652 | 751 | 99 | |||
12 | 751 | 863 | 112 | |||
13 | 863 | 989 | 126 | |||
14 | 989 | 1131 | 142 | |||
15 | 1131 | 1291 | 160 | |||
16 | 1291 | 1470 | 179 | |||
17 | 1470 | 1672 | 202 | |||
18 | 1672 | 1900 | 228 | |||
19 | 1900 | 2155 | 255 | |||
20 | 2155 | 2443 | 288 | |||
21 | 2443 | 2766 | 323 | |||
22 | 2766 | 3130 | 364 | |||
23 | 3130 | 3539 | 409 | |||
24 | 3539 | 4000 | 461 |