Access Virus Rack User Manual page 13

You'll find parallel external audio inputs
on the front and back panel. You can
determine the input sensitivity via a gain
selector switch. You're also free to acti-
vate a special Phono EQ that enables you
to connect a record player via a suitable
cord.
The two main oscillators produce 66
waveshapes, three of which are dynami-
cally mixable so that spectral effects are
possible within the confines of a single
oscillator. In conventional synthesizers,
this type of effect requires several oscil-
lators. Synchronization, frequency mod-
ulation and ring modulation between
the audio oscillators delivers additional
complex spectral effects that you can use
for all kinds of sound shaping purposes.
The filters can be switched in series or in
parallel within the voices via several
options. When you switch the filters in
series, the saturation stage is embedded
between the filters. Consequently, an
overdriven filter resonance can be re-fil-
tered within the same voice! A maximum
of six filter poles (36 dB slope!) enables
radical tonal manipulations.
The LFOs feature 6 continuous variable
waveshapes each, including a triangle
with variable symmetry and infinitely
variable aperiodic oscillations for ran-
dom variation of the controlled parame-
ters. The LFOs are capable of polyphonic
as well as monophonic oscillation. In
other words, if several voices are active,
the LFOs can run independently or in
sync. A number of keyboard trigger
options enable you start LFO wave-
shapes with variable phase lengths at
the beginning of a note and/or to cycle
once only, like an envelope.
Next to the numerous "hard-wired" or
fixed modulation configurations, you
can assign three modulation sources to
up to six different modulation destina-
tions via the Modulation Matrix. For
your modulation sources, you have LFOs,
velocity, the pitch bender, aftertouch,
the modulation wheel, numerous MIDI
controllers and other sources to chose
from. For your modulation destinations,
you can select any sound parameter of
the Virus that is conducive to being
remote controlled.
Up to 16 arpeggiators are available in
MULTI mode. These give you countless
options for creating arpeggios, which
can also be synced up to MIDI clock.
Sounds and effects are patched out via
four audio outputs which of course can
also be used to route two stereo signals
out.
The Virus Rack comes with a powerful
software editor for PC and Macintosh. It
lets you edit and manage sounds on a
large-scale user interface. You can access
every sound parameter of the Virus Rack
directly via mouse click. When you edit a
parameter, the Virus will render the
changes immediately in real time.
Accordingly, every parameter change
that you make using the encoder knobs
(those knobs without left and right con-
trol range limits) on the Virus Rack
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