Sound Design Question Regarding Detuning

G

Gouryella91

New member
Why does detuning on a synth, specifically detuning one oscillator (slightly against another, produce a widening, warmer, audio effect? I was wondering what is the science/mechanisms behind that?
 
It's side-band beating. By detuning slightly, you cause the creation of tones that are equal to the difference between the two frequencies - when an ensemble of similar instruments (say strings) or choir play/sing together it is this natural detuning between individual members that gives rise to the lush sound we associate with great strings/choirs/ensembles
 
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