| `tone` is followed by up to 4 pairs of `<frequency> <amplitude>` | `tone` is followed by up to 4 pairs of `<frequency> <amplitude>` | ||||
| which define a frequency response graph. Frequency is in Hz and | which define a frequency response graph. Frequency is in Hz and | ||||
| amplitude is in the range 0 to 25 The default is: | |||||
| amplitude is in the range 0 to 255 The default is: | |||||
| tone 600 170 1200 135 2000 110 | tone 600 170 1200 135 2000 110 | ||||
| This means that from frequency 0Hz to 600Hz the amplitude is 17 From | |||||
| This means that from frequency 0Hz to 600Hz the amplitude is 170 From | |||||
| 600Hz to 1200Hz the amplitude decreases from 170 to 135, then decreases | 600Hz to 1200Hz the amplitude decreases from 170 to 135, then decreases | ||||
| to 110 at 2000Hz and remains at 110 at higher frequencies. This | to 110 at 2000Hz and remains at 110 at higher frequencies. This | ||||
| adjustment applies only to voiced sounds such as vowels and sonorant | adjustment applies only to voiced sounds such as vowels and sonorant |