40
PATCHBAY INPUTS AND OUTPUTS (continued)
NOISE
NOISE OUTPUT
This is the output for the Mother-32’s White Noise generator. Noise is useful for
creating percussion and wind sounds, as well as for random noise modulations
(+/-5V, typical).
NOTE: Noise is also normalled to the clockwise position of the main MIX control.
VOLTAGE CONTROLLED FILTER
VCF CUTOFF INPUT
This input is summed with the Filter CUTOFF control and the VCF Modulation
signal. If the CUTOFF control is at center position, and the VCF MOD AMOUNT
control is fully Off, a -5V to +5V control voltage at this input will sweep the
Filter from 20Hz to 20kHz.
VCF RES INPUT
This input is summed with the RESONANCE control. If the RESONANCE control
is at center position, a -5V to +5V control voltage at this input will sweep the
Resonance from minimum to maximum.
VCF OUTPUT
This the output of the Moog Ladder Filter. Its level depends greatly on the
signals at the Filter input and the Filter Cutoff frequency (Maximum output
is approximately +/-5V).
VOLTAGE CONTROLLED OSCILLATOR
VCO 1V/OCT INPUT
This is a 1V/Octave Exponential frequency modulation input that is summed
internally with the VCO FREQUENCY control, the Keyboard CV and any VCO
frequency modulation. With all internal control signals at 0V, a -5 to +5V control
voltage at this input will sweep the VCO frequency from 8Hz to 8kHz (10 Octaves).
NOTE: When using an external CV controller, use this input for proper 1V/Octave
tracking. If the tracking is off, please see Page 51.
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