TABLE II.
Filter cutoff (-3 dB) frequencies used for the tone- and EAS-vocoding processing.
Channel | Tone-vocoding |
EAS-vocoding |
||
---|---|---|---|---|
Low (Hz) | High (Hz) | Low (Hz) | High (Hz) | |
1 | 80 | 221 | Unprocessed (80-600) |
|
2 | 221 | 426 | ||
3 | 426 | 724 | ||
4 | 724 | 1158 | 724 | 1158 |
5 | 1158 | 1790 | 1158 | 1790 |
6 | 1790 | 2710 | 1790 | 2710 |
7 | 2710 | 4050 | 2710 | 4050 |
8 | 4050 | 6000 | 4050 | 6000 |