A low-frequency oscillator (LFO) is used here to modulate the frequency of an audio rate oscillator. We don’t hear the LFO directly, but we perceive the shape of its modulating effect on the frequency of the oscillator we do hear.
A low-frequency oscillator (LFO) is used here to modulate the frequency of an audio rate oscillator. We don’t hear the LFO directly, but we perceive the shape of its modulating effect on the frequency of the oscillator we do hear.