I wouldn’t say choir is the goal. However when you add a second harmonic, it is a doubling of the original frequencies. 1 octave up. pitch shifting 1 octave isn’t the same result somehow.
I wouldn’t say choir is the goal. However when you add a second harmonic, it is a doubling of the original frequencies. 1 octave up. pitch shifting 1 octave isn’t the same result somehow.