@treynterrio said in Faust node Channel mismatch:
processed_left = (parametric_controller(cntrl, envelope, speed, depth) * shift <: transpose(c_samples, c_xfade));
You can write
processed_left = (parametric_controller(cntrl, envelope, speed, depth) * shift <: transpose(c_samples, c_xfade)); process = processed_left,processed_left;