FluidBufMFCC : UGen{
    *new1 { |rate, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features, numCoeffs = 13, numBands = 40, minFreq = 20, maxFreq = 20000, windowSize = 1024, hopSize = -1, fftSize = -1, trig = 1, blocking = 0|

        var maxFFTSize = if (fftSize == -1) {windowSize.nextPowerOfTwo} {fftSize};
        source = source.asUGenInput;
        features = features.asUGenInput;

        source.isNil.if {"FluidBufMFCC:  Invalid source buffer".throw};
        features.isNil.if {"FluidBufMFCC:  Invalid features buffer".throw};

        //NB For wrapped versions of NRT classes, we set the params for maxima to
        //whatever has been passed in language-side (e.g maxFFTSize still exists as a parameter for the server plugin, but makes less sense here: it just needs to be set to a legal value)
        // same goes to maxNumCoeffs, which is passed numCoeffs in this case

        ^super.new1(rate, source, startFrame, numFrames, startChan, numChans, features, numCoeffs, numBands, minFreq, maxFreq,  numCoeffs, windowSize, hopSize, fftSize, maxFFTSize, trig, blocking);
    }

    *kr  { |source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features, numCoeffs = 13, numBands = 40, minFreq = 20, maxFreq = 20000, windowSize = 1024, hopSize = -1, fftSize = -1, trig = 1, blocking = 0| 
        ^this.multiNew(\control, source, startFrame, numFrames, startChan, numChans, features, numCoeffs, numBands, minFreq, maxFreq, windowSize, hopSize, fftSize, trig, blocking);
    }

    *process { |server, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features, numCoeffs = 13, numBands = 40, minFreq = 20, maxFreq = 20000, windowSize = 1024, hopSize = -1, fftSize = -1, action |
		^FluidNRTProcess.new(
			server, this, action, [features]
		).process(
			 source, startFrame, numFrames, startChan, numChans, features, numCoeffs, numBands, minFreq, maxFreq, windowSize, hopSize, fftSize
		);
    }

    *processBlocking { |server, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features, numCoeffs = 13, numBands = 40, minFreq = 20, maxFreq = 20000, windowSize = 1024, hopSize = -1, fftSize = -1, action |
		^FluidNRTProcess.new(
			server, this, action, [features],blocking: 1
		).process(
			 source, startFrame, numFrames, startChan, numChans, features, numCoeffs, numBands, minFreq, maxFreq, windowSize, hopSize, fftSize
		);
    }
}