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76 CHAPTER 9
The Modulation Matrix and Definable Knob
CREATING MODULA-
TION CONFIGURA-
TIONS VIA ASSIGN
As a rule, it is of course desirable to
be able to create modulation routing
configurations on a synthesizer.
In other words, you want to
enjoy the freedom to combine different
modulation sources and
destinations as you see fit. Sometimes
you may come up with ideas
for standard modulations that the
”hard-wired” factory modulation
routing options simply can’t satisfy.
This is why we opted to equip
the Virus with a versatile Modulation
Matrix – you’re sure to find it a
welcome addition. On the Virus,
you can create modulation routing
configurations freely as you see fit
using ASSIGN options. They are
located in the EDIT menu, where
they appear under the name of –
you guessed it – ASSIGN).
The three ASSIGN options let you
control up to six modulation destinations
via up to three modulation
sources. Simply go to ASSIGN,
select one of the modulation
sources (SOURCE) and one or several
modulation destinations (DES-
TINATION). Each of these
configurations features a parameter
that determines modulation
intensity (AMOUNT). ASSIGN 1 can
control one modulation destination,
ASSIGN 2 can control two and
ASSIGN 3 can control three modulation
destinations, each with
independent AMOUNTs.
These ASSIGN options serve several
purposes: for one, they let you
assign an external MIDI controller,
for example, the keyboard’s modulation
wheel, to the desired parameter.
You can also chose to use the
sound generator’s internal modulators,
such as LFOs and envelopes,
as modulation sources. The control
range of the source may be limited
via the AMOUNT values or inverted
so that the modulation occurs
strictly within the desired value
range for the target parameter. For
your target parameters, you can
chose from among virtually all
sound parameters that feature an
infinitely variable control range –
ergo, you have more than 100
modulation destinations at your
disposal! Since the sources and
destinations may be selected independently,
you may even modulate