52
Mixer Modulation
The A, B, C, and D mixer amounts always add up to 100, and the mixer can
not be modulated beyond these limits. If you want to modulate the A-C or B-D
mix ratios with velocity, pressure, key position, or either LFO, remember that
positive modulation amounts increase the amount of oscillator C or D, and are
more eective when the mixer is emphasizing oscillators A or B (respectively).
Similarly, for negative modulation, the original mixer envelope should
emphasize oscillators C or D. Since the LFOs have positive and negative
phases, no single oscillator need be emphasized in the mixer envelope for LFO
modulation.
THE BASIC VS PATCH
If you are editing programs for the rst time, you may nd that changing one
oscillator’s parameters has more or less eect than other oscillators in a given
program. This may be due to the mix envelope which determines how the
oscillator is heard. To eliminate some of the confusion which may arise, use
the basic patch.
This basic patch is a good starting point for programmers. It opens the lter,
creates an “on/o,” organ-style envelope, disconnects all modulation, and
creates a simple mix envelope. Initially, all four oscillators are set to the same
waveform.
1. To select the basic program, hold down Enter, then press 0.
2. Edit the basic patch, then if desired, store it.
Another useful programming tool is the basic mixer envelope, which gives an
equal blend of all four oscillators through all points of the mixer envelope. (For
more details, please refer to Section 8.)
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