FluidAudioTransport : FluidRTUGen { init { |...theInputs| theInputs; inputs = theInputs; this.specialIndex = 1; //two audio inputs // ^this.initOutputs(1,rate); } *ar { arg in = 0, in2 = 0, interpolation = 0.0, windowSize = 1024, hopSize = -1, fftSize = -1, maxFFTSize = -1; ^this.multiNew('audio', in.asAudioRateInput, in2, interpolation, windowSize, hopSize, fftSize, maxFFTSize) } }