BSS Audio Prosys PS-8810 Owner's Manual - Manual (Page 58)

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PS-8810
DIGITAL SIGNAL PROCESSOR
Processing Functions Input Filters
High Q filters with gain greater than unity can cause unwanted
ringing. This is true for both digital and analogue filters and should
be used with great care.
Each filter is shown graphically in the larger window and can be
controlled by clicking on the filter ‘nodes’ and moving them.
The responses of the preprocessing filters and post-processing filters
are displayed in the smaller Input Response graph to the right of the
main curve display.
The Input Combined Response graph shows the summed total of
the two filter sections; an actual frequency composite of the filter
networks for that input.
Additional filtering is available after all of the input signal
processing and is identical in operation to the Input Filters. Post-Processing
Filters