Sequential Prophet VS - Page 116

116
VS VOLKANIK (03)
This is a fairly awesome stereo sound when played at high volumes and at the
low end of the keyboard.
Keyboard Mode
The keyboard is in Single keyboard mode. And we notice right away that it is
also in Unison mode, because only one key can be heard at a time. Selecting
Unison/Detune conrms this. To see what an enormous eect voice stacking
and detuning has on this sound, reduce the detuning value and then switch
Unison/Detune o. The patch denitely loses its character as detuning is
reduced below "4". When Unison is o, the patch sounds only like a fat organ.
Oscillator Group
The Oscillator Select switch tells us that oscillator A uses wave 40, oscillator
B uses 41, and C and D both use wave 42. Waveform #41 has a harsh quality
compared to the simpler waveforms #40 and 42 and brings a shrill timbre to
the program whenever the mixer envelope accentuates oscillator B. There are
no coarse or ne frequency adjustments. All oscillators are tuned to the same
basic pitch, so there is no beating between the oscillators.
Filter
Cuto is 99, which essentially means that the lter is not being used. This
allows the full harmonic spectrum from the mixer to pass to the amplier.
Envelope Group
First let's survey the vectors in the mixer envelope. It begins at point 0 with
100% of Osc D (wave 42). It moves to point 1, which is 100% Osc B (wave
41). Point 2 is located half way (51/49) between Osc B and C (waves 41 and
42). Point 3 emphasizes Osc C, while the envelope releases (point 4) to a fairly
even mixture of the four waves.
The rates of each of the vectors is the same: 50. A continuous back/forward
loop has been set between points 3 and 0. So, what we have is a continuous,
but asymmetric dynamic mix between essentially two waves (42 and 41).
We are not concerned with the lter envelope, because Cuto is already
maximum, and the lter Env Amount is set to 0.
The amplier envelope is set up for a medium-rate tremolo. The rst three
segments all have the same rate. Points 1 and 3 are equal in level (99), and
point 2 is a little less (70). With a continuous loop between points 3 and 1,
a triangle wave is thereby formed, so the amplier level is made to steadily
decrease and increase.
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