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VIRUS Owner’s Manual
22
Velocity
Velocity is one of the preferred modulation sources of keyboard players. In the Virus you have ten
modulation targets available for Velocity. Locate the VELOCITY section in the CTRL menu. There you
will find the modulation intensities for
modulation targets available for Velocity. Locate the VELOCITY section in the CTRL menu. There you
will find the modulation intensities for
OSC 1 SHAPE
OSC 2 SHAPE
PULSE WIDTH
FM AMOUNT
FILT 1 ENV AMT
FILT 2 ENV AMT
RESONANCE 1
RESONANCE 2
VOLUME
PANORAMA
OSC 2 SHAPE
PULSE WIDTH
FM AMOUNT
FILT 1 ENV AMT
FILT 2 ENV AMT
RESONANCE 1
RESONANCE 2
VOLUME
PANORAMA
which you can manipulate independently of one another in the familiar bipolar control range.
TWIN MODE
When we talked about the oscillators, we mentioned that by subtly detuning signals, you can beef up
sounds and achieve string-like sounds. The Virus is equipped with features that allow you to take this
type of tonal manipulation a step further. On of these is the so-called TWIN MODE. It enables you to
initiate two voices for each note played, which in turn lets you detune four main oscillators. TWIN
MODE also offers the option of spreading the two voices generated by one note in the stereo panorama
and shifting the phases of their LFOs so that all types of periodic effects can be used to produce an even
more exciting signal.
sounds and achieve string-like sounds. The Virus is equipped with features that allow you to take this
type of tonal manipulation a step further. On of these is the so-called TWIN MODE. It enables you to
initiate two voices for each note played, which in turn lets you detune four main oscillators. TWIN
MODE also offers the option of spreading the two voices generated by one note in the stereo panorama
and shifting the phases of their LFOs so that all types of periodic effects can be used to produce an even
more exciting signal.
Locate the parameter group TWIN in the EDIT menu. TWIN MODE ON/OFF does exactly what it says, it
switches TWIN MODE off and on; DETUNE determines the relative pitch of both voices’ oscillators;
PAN SPREAD
switches TWIN MODE off and on; DETUNE determines the relative pitch of both voices’ oscillators;
PAN SPREAD
lets you spread the two voices in the stereo panorama to determine the breadth of the
stereo signal.
Please keep in mind that although the range of these options is impressive, you do have to pay a price in
terms of versatility: TWIN MODE requires two voices to reproduce a note, so the total amount of notes
that the Virus can generate simultaneously is halved.
terms of versatility: TWIN MODE requires two voices to reproduce a note, so the total amount of notes
that the Virus can generate simultaneously is halved.
The Chorus/Flanger Effect
Another function that delivers great effects based on pitch fluctuation is the so-called chorus effect.
Chorus actually consists of a brief delay (generally up to approx. 50 ms) which is varied periodically. By
modulating the delay, the delayed signal is slightly detuned to the input signal (the so-called Doppler
effect). This inconsistency in pitch between the original and effects signal is the source of the chorus
effect. Feedback in the delay line enhances this effect. The left signal side is automatically modulated in a
different manner than the right, so a chorus effect is great for converting mono signals into stereo
signals.
Chorus actually consists of a brief delay (generally up to approx. 50 ms) which is varied periodically. By
modulating the delay, the delayed signal is slightly detuned to the input signal (the so-called Doppler
effect). This inconsistency in pitch between the original and effects signal is the source of the chorus
effect. Feedback in the delay line enhances this effect. The left signal side is automatically modulated in a
different manner than the right, so a chorus effect is great for converting mono signals into stereo
signals.