ABSYNTH 5 Reference Manual – 134
9.1 Oscillator Section
Oscillator section of an LFO
The Oscillator section of an LFO is where its oscillation properties are determined: You can
determine waveforms, oscillation rates and phases, and utilize a Sample&Hold module in
the Oscillator section. This Module delivers the signal of the LFO at regular intervals and
maintains this value until the next value is delivered. This process delivers a signal patterned
after a staircase model, which emerges from the continual, round oscillation of the LFO. The
following Control Elements can be found in the Oscillator section:
•
LFO switch
: The LFO can be turned on or off by clicking on its upper left label. If it is not
necessary for it to be on, turn it off to preserve the CPU of your computer.
•
Mono/Poly switch
: In Mono mode an LFO modulates all the voices; in Poly mode every
voice has its own independent LFO. If you use the LFO to produce a Tremolo, for instance,
the monophonic LFO will let the volume of every individual voice rise and fall simultane-
ously, which in most cases is the desired effect. In polyphonic mode, every voice chang-
es its volume independently of the others, and the resulting sonic impression is more
diffuse – which, in some cases, is of course equally desirable. (An even more important
parameter in this connection is Phase, see below)
•
Waveform Selector
: Click on the Waveform Selector to open a Dialogue in which you can
select the Waveform for the Oscillator. You can use Simple Waves or Morph Waves. The
latter in particular produces clearly audible effects when combined with the modulation
of Transition control.
