(a) 4 Channel implementation
| Ch. 1 | Ch. 2 | Ch. 3 | Ch. 4 | |
|---|---|---|---|---|
| CFs and BWs of BPFs (in conventional strategy) | ||||
|
| ||||
| CF (Hz) | 460 | 953 | 1971 | 4078 |
| BW (Hz) | 321 | 664 | 1373 | 2426 |
|
| ||||
| CFs and BWs of tip and tail BPFs (in proposed strategy) | ||||
|
| ||||
| CF (Hz) | 460 | 953 | 1971 | 4078 |
| BW of tip filter (Hz) | 321 | 664 | 1373 | 2426 |
| BW of tail filter (Hz) | 107 | 221.3 | 457.7 | 808.7 |