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An effects plugin. A classic Chorus effect, used to layer voices or sounds against modulated versions of themselves to add harmonic interest in different ways.
An animated graph shows the results of adjusting the Modulation parameters of this plugin, giving you a visualization of the kind of warble or tremolo that will be added to the signal as you make adjustments.
The Chorus Fairlight FX
Chorus has the following controls:
— Bypass: Toggles this plugin on and off.
— Input Format: (Only visible when Chorus is inserted on a multi-channel track.) Lets you choose how multiple channels are input to the Chorus. Stereo sets separate Left and Right channels. Mono sums Left and Right to both channels. Left inputs the Left channel only, and Right inputs the Right channel only.
— Delay: The amount of delay between the original sound and the Chorus effect.
— Delay Time: Length of the Chorus delay lines.
— Separation: Time separation of the delay voices.
— Expansion: Sets L/R length differences, phase offset of modulators.
— Modulation: These controls adjust the low frequency oscillator (LFO) that drives the tremolo of the chorus effect in different ways.
— Waveform: Specifies the shape of the LFO that modulates the rate of the Chorus, affecting the timing of the oscillations. There are six options for the oscillator for you to choose from:
Sine (smooth oscillations) 
Triangle (sudden oscillations) 
Saw1 (jerky oscillations) 
Saw2 (jerky oscillations)
Square (hard stops between oscillations)
Random (randomly variable oscillations)
— Frequency: Rate of LFO controlling the Chorus. Lower values generate a warble, higher values create a tremolo.
— Pitch: Amount of frequency modulation, which affects the pitch of the Chorus.
— Level: Depth of level modulation. Affects the “length” of the segment of Chorus that’s added to the sound. Low values add only the very beginning of the Chorus effect, high values add more fully developed Chorus warble or tremolo.
— Feedback:
— Amount (%): The percentage of signal fed back to the Chorus Delay Line. Values can be positive or negative, the default is 0 (no effect). Increasing this parameter adds more of the Chorus effect to the signal, lowering this parameter adds more of the inverted Chorus effect to the signal. At values closer to 0, only a faint bit of Chorus can be heard in the audio, but
at values farther away from 0 (maxing at +/- 99), a gradually pronounced Chorus becomes audible.
— Blend (%): Amount of feedback which bleeds into the opposite channel (Stereo mode only).
— Output: Controls for adjusting the final output from this plugin.
— Dry/Wet (%): A percentage control of the output mix of “dry” or original signal to “wet” or processed signal. 0 is completely dry, 100% is completely wet.
— Output Level (dB): Adjusts the overall output level of the affected sound.