Refactoring of Adam's banded noise synth

banded-noise.js

fluid.defaults("adam.bandednoise", 
    gradeNames: "flock.synth",

    numBands: 10,
    bandFreqMul: 100,

    noizDefTemplate: {
        ugen: "flock.ugen.filter.biquad.bp",
        freq: 300,
        q: 1,
        source: {
            ugen: "flock.ugen.whiteNoise"
        }
    },

    noizDefs: {
        expander: {
            funcName: "adam.bandednoise.createBands",
            args: ["{that}.options.numBands", "{that}.options.bandFreqMul", "{that}.options.noizDefTemplate"]
        }
    },
               
    synthDef: {
        ugen: "flock.ugen.sum",
        sources: "{that}.options.noizDefs"
    }
});

adam.bandednoise.createBands = function (numBands, bandFreqMul, noizDefTemplate) {
    var ugenDefs = fluid.generate(numBands, function (i) {
        var noizBandUGenDef = fluid.copy(noizDefTemplate);
        noizDefTemplate.freq += i * bandFreqMul;
        
        return noizBandUGenDef;
    }, true);
    
    return ugenDefs;
};