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VIRUS POWERCORE MANUAL 43

THE OSC PAGE

Sub/Noise

The sub-oscillator beefs up the sound by adding a square or triangle wave

an octave below the pitch of osc 1.

The noise generator adds ‘white’ noise to the sound. It is un-pitched, and is

therefore used for percussion sounds, FX such as wind or surf, or for add-

ing a little warmth to pitched sounds.

> SUB SHAPE

This toggles the sub-oscillator waveform between square and triangle.

> NOISE COLOR

Changes the characteristics of the noise generator:

> Middle (0) : Neutral (‘white’ noise, all the frequencies are evenly distributed).

> Negative (-64) : Lowpass (‘pink’ noise, less top and more bass).

> Positive (+63) : Hipass (bright and thin).

Velocity Mod

Several parameters in the Virus PowerCore can be

controlled by velocity. In practice this means that

these parameters can be set to respond to how

hard you press the keys. Think of a traditional piano

– as you hit the keys progressively harder, the notes

become not only louder, but also brighter (more overtones) and even very slightly sharper in

pitch. If you want to program sounds that respond in a really musical way to the nuances of

your keyboard technique, then it’s deﬁnitely worthwhile spending some time on this section.

(There again, if your keyboard technique is comparable to that of a one-ﬁngered chimpanzee,

perhaps you should move quickly on!)

Many of the following destinations are bipolar parameters, in which case, positive values

result in a positive offset as velocity increases, whereas negative values result in a negative

offset as velocity increases.

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