FluidSTFTPass : UGen { *ar { arg in = 0, windowSize= 1024, hopSize= -1, fftSize= -1, maxFFTSize = 16384; ^this.multiNew('audio', in.asAudioRateInput(this), windowSize, hopSize, fftSize, maxFFTSize) } checkInputs { if(inputs.at(4).rate != 'scalar') { ^": maxFFTSize cannot be modulated."; }; ^this.checkValidInputs } }