Polycom SoundStructure C16 Design Manual page 112

Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
The equalization page also shows the feedback elimination user controls and
a list of frequencies where feedback was found when the processing was
enabled.
To enable a filter, click the button next to the filter, and then adjust the param-
eters for the filter block as shown in the following figure.
The cut off frequency of the Low Pass and High Pass filters can be adjusted
nd th
between 0 Hz and 20,000 Hz, the order can be adjusted from 2 to 8 , and
either a Butterworth or Linkwitz-Riley filter may be selected.
For the parametric EQ filters, the designer can choose from:
5 - 30