A chorus pedal is an audio effect device that alters the sound of a guitar, to create a rich, shimmering, and spacious tone. Let’s delve into how this guitar pedal works:
Splitting the Signal: When the guitar signal enters the chorus pedal, it is split into two paths: the dry signal and the wet signal.
Delay Line: The wet signal goes through a delay line, which introduces a slight delay to create a time difference between the dry and wet signals. This delay is typically in the range of a few milliseconds.
Modulation: The delayed wet signal is then modulated in pitch. This is usually achieved by using an LFO (Low-Frequency Oscillator) that slightly and continuously varies the pitch of the wet signal up and down.
Mixing and Combining: The modulated wet signal is mixed back with the dry signal. The mix control on the chorus pedal allows the user to adjust the balance between the dry and wet signals.
Spatial Enhancement: The mixed signals are then sent to the output, resulting in an enhanced and expanded sound. The slight delay and pitch modulation introduced by the chorus pedal create the illusion of multiple voices playing or singing simultaneously, adding depth and width to the sound.
Overall, the chorus pedal simulates the effect of a group of instruments or voices performing together. By manipulating the delay, pitch modulation, and mixing of signals, it produces a rich and textured sound that resembles a choir or ensemble, giving the guitar a more vibrant and immersive quality.