17
IV. The Voyager’s Components
A.
MIXER
The Mixer combines the main sound sources of the Voyager. It’s the place to start
when creating a new sound from scratch, or figuring out how a sound is put
together. All the sound sources can be turned on or off, and their levels can be
adjusted. The sound sources available are:
- External Audio Input
- Oscillator 1
- Oscillator 2
- Oscillator 3
- Noise Source
Each sound source has both an on/off switch and a level control. When working
with the Voyager, it is important to keep track of which sound sources are on and
which are off.
The audio output of the mixer goes to the filter. There is an insert jack on the back of
the unit where an external effect can be inserted in between the mixer and the
filter. This can also be used as direct output of the Mixer. Note that this output is
before the Volume envelope. If an Oscillator is selected and its level is above zero –
its sound will be there regardless of playing the keyboard.
OSCILLATORS 1 to 3: The controls for the Oscillators on the mixer are simple: on/off
and level. When the levels of the Oscillators are set high, the output from the mixer
gently overdrives the filter section. This was one of the important features in the
original minimoog that gave it its characteristic “fat” sound.
NOISE: The Noise source is a white/pink hybrid, and can be used as a sound source
or a modulation source.
Noise is great for making ocean wave sounds, explosions, wind sounds or using as a
subtle coloration to a sound.
EXTERNAL AUDIO IN: The External Audio in allows an external audio source to be
routed into the mixer, where it can be mixed with the VCOs and Noise source, then
passed to the filters and the out put. The LED above the External input begins to light
up as the Input signal to overdrives the Mixer input. When the light is faint, a small
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