A one zero filter. Implements the formula:
| in |
The input signal. |
| coef |
Feed forward coefficient. +0.5 makes a two point averaging filter (see also LPZ1 ). -0.5 makes a differentiator (see also HPZ1 ). +1 makes a single sample delay (see also Delay1 ). -1 makes an inverted single sample delay. |
| mul |
Output will be multiplied by this value. |
| add |
This value will be added to the output. |