Amplitude refers to the strength or level of both audio and control voltage (CV) signals. For audio signals, amplitude correlates with loudness—higher amplitudes produce louder sounds. In the context of CV signals, amplitude determines the amount of modulation applied by the CV; for example, a higher amplitude CV might open a filter more widely or increase the pitch of an oscillator more significantly. Amplitude is a fundamental aspect of signal control in synthesis, influencing dynamics, timbre, and the intensity of modulation effects.
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