
Access Music Virus Indigo Plug-in Guide16
LFO Phase Shifts the phase of the LFOs applied
to unison voices. This greatly enlivens modula-
tion effects. A setting of –64 is equal to –180 de-
grees of LFO phase offset. A setting of +63 is
equal to +177 degrees of LFO phase offset.
Punch
Intensity Adds a percussive snap effect to sounds
with short attack envelopes.
Mixer
Use the controls in the Mixer section to balance
the different tone generators in a Virus Indigo
patch.
Osc 1/2 Bal Controls the volume of the two os-
cillators in relation to each other. At –64 only
oscillator 1 is audible. At +63, only oscillator 2 is
audible. At 0, both are equally audible.
Osc 3 Vol Controls the overall volume of oscilla-
tor 3. Use it to adjust oscillator 3 volume in rela-
tion to the oscillator 1 and 2 as well as the noise
generator or ring modulator. This also controls
the oscillator’s input level to the Vocoder and
filter Saturation intensity.
Sub Vol Controls the volume of the sub-oscilla-
tor. Use the sub-oscillator to add weight to a
sound.
Osc Vol Controls the overall volume of both os-
cillators and the sub-oscillator. Use it to adjust
oscillator volume in relation to the noise gener-
ator or ring modulator. This also controls the os-
cillator’s input level to the Vocoder and filter
Saturation intensity. If Virus Indigo is set to In-
put mode, Osc Vol controls the audio signal's in-
put level.
Noise Vol Controls the volume of the white
noise generator. Use the noise generator to cre-
ate non-pitched sounds such as drums and
wind, or to add texture to percussive timbres.
Pan When Virus Indigo is used as a stereo insert,
this determines the position of a sound in the
stereo field.
Patch Vol Controls the overall volume level of a
sound. Use it to boost the level of sounds that
lack volume or to reduce the level of sounds that
are too loud.
Ring Vol Controls the volume of the ring modu-
lator. The ring modulator multiplies the ampli-
tudes of the two oscillators to create complex
enharmonic overtones. Use the ring modulator
to create timbres with a unique metallic charac-
ter. Set both oscillators to a sine wave for bell-
like timbres.
FX Send Controls the send level that is fed into
the delay or reverb effect. Available signal level
is determined by the Patch Vol control, making
this a post-fader control. Set from 0–99, it func-
tions as a send level control. Set from 100–127,
it acts as a direct/effect control. At 127 the signal
is 100% wet.
The Filter/Env Page
The Filter/Envelope page has controls for the
two filters and two envelope generators. To a
large degree, these determine the overall sound
of a Virus Indigo patch.
Each filter normally operates with 2 poles, but
filter 1 can also operate with 4 poles for a com-
bined slope of 36 dB per octave. This gives Virus
Indigo a uniquely punchy sound.
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