VCO1
When KNOB PARAMETER GROUP switch [VCO1] is
selected, the eight CONTROL knobs will access specific
Voltage Controlled Oscillator 1-related parameters,
including wave selection, pitch specification and wave
control.
For more information about VCO1, see pages 10, 30.
Wave
The Wave setting determines the VCO1 wave.
Available waves depend on the current SYNC status
(on/off).
Settings:
When SYNC = off: saw, pulse, saw2, mix
When SYNC = on: saw, pulse, Innrl, Innr2, Innr3
The difference between saw/pulse Sync on and Sync off is only a slight nuance in
sound which becomes especially distinctive when the Pulse Width (see page 62)
is set to a value other than 64.
saw (Sawtooth)
The saw (sawtooth) wave derives its name from its shape,
and is used to create a trumpet or violin sound. Since it
contains all harmonics in the spectrum, it produces a full, rich
sound. When used with the Pulse Width function (see page
62), increasing the even harmonics can raise the pitch to a
maximum of a full octave.
pulse (Square)
The pulse (square) wave is used to make woodwind (clarinet-
type) sounds. Its spectrum is similar to a sawtooth wave, but
since every second (even-numbered) harmonic is missing, the
waveform contains only odd-numbered harmonics when Pulse
Width (see page 62) is set to "64".
saw2 (Sawtooth2)
The spectrum of the saw2 wave is created by a sawtooth
wave combined with a pulse wave, and therefore is slightly
different than the saw1 wave. When the Pulse Width (see
page 62) is set to 64, the shape of the wave is the same as
saw1. Even if you increase the even-numbered harmonics by
the Pulse Width, the basic pitch remains the same.
mix
The mix wave is formed by a combination of saw and pulse
waves.
innr1, innr2, innr3
When SYNC is set to “on”, three “inner” waves (Innr1-3) are
available. This wave is effective when used with Pulse Width
(see page 62).
Pitch
The Pitch setting determines the pitch of the VCO1 in
semitones. Turning the knob to the right raises the Pitch,
while turning it to the left lowers the Pitch. The center
position (value = 0) is the basic pitch.
Settings: -64 ~ 0 ~ +63
61
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