139 SOUND PARAMETERS REFERENCE
FILTERS
The Virus TI has two multimode filters that can be configured in
series, parallel or split (i.e. separate left and right channels with
differing signal sources).
CUTOFF
The cutoff frequency of filter 1 (see “Cutoff” on page 141). If
Cutoff Link is on (see “Cutoff Link” on page 145), this will also
control filter 2 Cutoff.
RESONANCE
The resonance of one or both filters at the same time, depend-
ing on the status of the two SELECT buttons.
See “Resonance” on page 141.
RESONANCE 2
Via SHIFT + RESONANCE. The resonance of filter 2, whatever
the status of the two SELECT buttons.
ENV AMOUNT
The amount of filter envelope applied to cutoff. Applied to one
or both filters at the same time, depending on the status of the
two SELECT buttons.
KEY FOLLOW
Via SHIFT + ENV AMOUNT. How much cutoff follows pitch so
that e.g. higher notes are brighter than lower ones. Applied to
one or both filters at the same time, depending on the status of
the two SELECT buttons.
FILTER BALANCE
The relative contribution of the two filters. Actually a complex
set of crossfades, but the results are intuitive enough: At -64
you can only hear the output of filter 1. At 0, both filters contrib-
ute equally. At +63 you can only hear the output of filter 2.
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