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ARTURIA – ORIGIN – USER’S MANUAL
146
With a high resonance level, the filter begins to produce a sound close to a sine waveform. At this
stage, the use of a key follow is very important as you can create a melody by tuning the cut-off
frequency of the filter with the frequency of the oscillators.
The Origin’s Filter module
11.1.4
The amplifier or VCA
The amplifier (
VCA
for
Voltage Controlled Amplifier
) receives the audio signal coming from the
filter (or directly from the oscillator if it is not being filtered) to be adjusted before the volume is
sent to the speakers.
The Origin’s VCA
In conclusion, here is a diagram that should help you to understand the composition of a basic
sound:
Basic sound signal path