Extron electronics DMP 128 User Manual page 46

By increasing the Q to 10.000, the center frequency remains the same. The markers show
the bandwidth of the filter narrowed to between 900 Hz and 1200 Hz, or about 300 Hz (see
figure 32). Using the Q value, parametric filters can be used to notch out a very narrow, or
very wide range of frequencies.
Figure 32. Parametric Filter at 1000 Hz, Q: 10.000
The dialog box above shows the frequency curve for a single active filter. To add its effect to
the overall frequency response, remove the bypass on the other filters by clicking Bypass.
DMP 128 • Software Control 40