A Voltage Controlled Amplifier (VCA) provides an easy way to control a group of faders, maintaining the relative balance of group members and the overall control of grouped tracks while maintaining automation of individual tracks. the level can be raised or lowered.
Voltage, potential difference, electrical pressure, or voltage is the potential difference between two points (within an electrostatic field) defined as the work required per unit charge to move a test charge between the two points.
In the International System of Units, the derived unit of voltage (potential difference) is called the volt.
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