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Access Music Virus Indigo Plug-in Guide38

3 At the upper left of the Virus Indigo plug-in,

click Osc to show the oscillator page.

4 Play a note.

This is a sine wave, generated by oscillator 1. It is

not very harmonically rich. Virus Indigo pro-

duces many other waveforms, most of which

have greater harmonic complexity.

You can select among these with the Wave Se-

lect and Shape controls. When the Shape con-

trol is set fully counter-clockwise to Wav, Virus

Indigo generates purely the one selected with

Wave Sel.

Memory Location 1 demonstrates this.

To hear the 64 Virus Indigo waveforms:

1 Click memory location 1, “Wave Select.”

2 Press the Spacebar to begin playback.

3 During playback, watch the oscillator 1 Wave

Select and Shape controls.

When playback stops, experiment with the

Wave Select control while playing your MIDI

keyboard controller.

Changing the Waveshape

The Shape control modifies the waveshape se-

lected with Wave Sel. Increasing the Shape value

from 1–63 adds progressively more sawtooth to

the selected waveshape until, at a setting of 64,

the oscillator produces a pure sawtooth wave.

Memory Location 2 demonstrates this.

To use Shape:

1 Reset the patch to its original state by choos-

ing Tutorial Sounds > Tutorial 1 Sound from the

Librarian menu.

2 Click memory location 2, “Shaper–Sawtooth”

and press the Spacebar to begin playback.

3 During playback, watch the oscillator 1 Shape

control and listen to how the sound character

changes.

Increasing the Shape value from 65–126 adds

progressively more square wave to the sawtooth

wave until, at a setting of 127, the oscillator pro-

duces a pure square wave.

Memory Location 3 demonstrates this.

To hear the effect of the Shape control:

1 Reset the patch to its original state by choos-

ing Tutorial Sounds > Tutorial 1 Sound from the

Librarian menu.

2 Click memory location 3, “Shaper–Square”

and press the Spacebar to begin playback.

3 During playback, watch the Shape control and

listen to how the sound character changes.

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