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ACCESS VIRUS OS4

Unison Mode

When we talked about the oscilla-
tors, 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 
UNISON MODE. It enables you to 
initiate two or more voices for each 
note played, which in turn lets you 
detune many oscillators. UNISON 
MODE also offers the option of 
spreading the 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 UNI-
SON in the EDIT menu. 

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 1 UNISON
 Mode       Twin≤   

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UNISON mode determines how 
many voices the Virus will use to 
render a played note. In a nutshell, 

it determines how ”fat” the sound 
will be. You can use the UNISON 
Detune parameter to determine to 
which extent the active voices are 
detuned. UNISON PanSpread dis-
tributes them uniformly across the 
stereo panorama, a process by 
which you can also determine the 
width of a sound’s stereo base. 
When you activate UNISON mode 
for a sound, it can still be played 
polyphonically. However, depend-
ing on the number of voices you’ve 
dialed in, its polyphony will of 
course be considerably reduced in 
UNISON mode. The most efficient 
and the standard setting is UNI-
SON mode = Twin, where two 
voices are played for every note. In 
the ”OFF” position, one voice per 
note is played.