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CHAPTER 

 

4

 

Introduction

 

Long-term exposure to this sound 
will definitely grate on your nerves, 
so let’s get started with changing 
it into a signal you might enjoy 
hearing, beginning with the vol-
ume characteristics. Locate the 
section labeled 

 

 at the 

bottom right of the control feature 
panel of the Virus. Here you can 
see five pots labeled 

 

, 

 

, 

 

, 

 

 and 

 

, 

respectively. 

These controls will help you to dial 
in volume characteristics called an 
amplifier envelope and put an end 
to the nerve-racking drone that 
may remind you of one of those 
cheesy organs that you hear in ‘60s 
B-movie sound tracks.

Rotate the 

 

 pot while you 

repeatedly engage a key to hear 
the note. The further you turn the 
pot up, the longer it takes for the 
sound to achieve maximum vol-
ume after the start of the note. So 
you can say 

 

 controls the 

initial volume swell of the sound.

Presumably the 

 

 pot was 

set to a random position before 
you made any adjustments. Never-
theless the volume automatically 
increased to the maximum level 
before  you started rotating the 
pot. The reason for this is that an 

 

 value of 0 is saved in the 

sound program - START -  and this 
value remains valid until you 
determine a new value by adjust-
ing the position of the pot, even if 
you turn it ever so slightly.

Take a look at the display of the 
Virus to gain an impression of  the 
difference between these two val-
ues. It shows two numeric values 
when you dial a pot: at the left you 
can see the value stored in the 
sound program and at the right,