
Chapter 3: Virus Indigo Controls 25
Delay
Time Controls the delay time in milliseconds.
Clock Selects a beat-based delay time. Choices
range from 1/64 to 3/4. Using the Clock control
overrides the Delay time control. The Delay
clock can be synchronized to MIDI Beat Clock.
See “Synchronizing LFO Clock to MIDI Beat
Clock” on page 47 for details.
Feedback Controls feedback amount. Higher
feedback settings produce more repetitions.
Coloration Controls the character of the delay
through the use of low-pass or high-pass filter-
ing. Settings from –64 to 0 apply a low-pass fil-
ter, with lower settings attenuating more high
frequencies. Settings from 0 to +63 apply a high-
pass filter, with higher settings attenuating
more low frequencies.
Rate Controls the rate of delay modulation. Use
modulation to add chorusing or flanging effects
to the delayed signal.
Depth Controls the intensity of delay modula-
tion.
Shape Selects the waveshape for the Delay LFO.
Choices are sine, triangle, sawtooth, square,
sample & hold, or sample & glide. Each pro-
duces a unique detuning effect.
Reverb
Decay Time Controls the decay time of the re-
verb effect.
Type Selects the type and overall character of the
reverb effect. Choices include, Ambience, Small
Room, Large Room, and Hall.
Damping Controls the amount of damping (high
frequency attenuation) applied to the reverb
tail.
Coloration Controls the character of the reverb
through the use of low-pass or high-pass filter-
ing. Settings from –64 to 0 apply a low-pass fil-
ter, with lower settings attenuating more high
frequencies. Settings from 0 to +63 apply a high-
pass filter, with higher settings attenuating
more low frequencies.
Pre-delay Controls the amount of pre-delay
added to the reverb effect. Pre-delay can add a
greater sense of depth to reverb.
Clock Selects a beat-based reverb time. Choices
range from 1/64 to 3/4. Using the Clock control
overrides the delay Time control. The clock can
be synchronized to MIDI Beat Clock. See “Syn-
chronizing LFO Clock to MIDI Beat Clock” on
page 47 for details.
Feedback Controls feedback amount. Higher
feedback settings produce more regeneration of
reverberant echoes.
On Pro Tools|HD systems, using a session
sample rate of 88.2/96 kHz reduces avail-
able delay time by half.
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