80
The Pulsar-23 Notebook : Reference & Guide
4.4 Control Voltage
Control Voltage, commonly called CV is the method used for transmitting
and receiving signals between functions. This is the primary control method
used in modular systems and of course Pulsar-23. Remember that uniquely
in Pulsar-23, control and audio can be patched together to explore new
sound and control possibilities. Various voltage levels can be found in
different modular setups and it is useful to understand these and their
differences.
Common / Generic Control Voltage Applications
NOTES
Patching
4
1
Pitch
1
3
2
4
5
V/Oct eg 1 Volt per Octave
s
implified example
V
o
lt
s
4
3
2
5
Volts per Octave
The most common model in the control of pitch is often handled using the V/Oct
principle. In essence every volt in the control will alter pitch by 1 octave.
Volts per Octave
Another alternative control voltage method is the Pitch Frequency (Hz) per Volt
model. This is a less common standard but is used by Korg and Yamaha.
Our perception of pitch is based on frequency and is actually logarithmic. These
diagrams are there therefore for illustrative purposes only
Hz/V e.g. 55Hz/V
simplified example
1
A1
55Hz
A2
110Hz
A3
220Hz
Pitch
V
o
lt
s
A4
440Hz
A5
880Hz
8
4
2
16
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Страница 168: ...168 The Pulsar 23 Notebook Reference Guide Index V VCA 89 Velocity 70 Volume 108 W Wave 105 WTF 77 ...
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