An example of combining flocking.js with the compressor in Web Audio.

gistfile1.txt

    flock.init();

    var as = flock.enviro.shared.audioStrategy;

    // Create the new gain node and set some parameters on it.
    var compressor = as.context.createDynamicsCompressor();

    // Connect the Flocking jsNode up to it.
    as.jsNode.connect(compressor);

    // Monkey patch the Audio Strategy's start and stop methods.
    // Cut and pasted from flocking-webaudio.js
    as.startGeneratingSamples = function () {
        as.jsNode.onaudioprocess = as.writeSamples; // TODO: When Firefox ships, is this still necessary?
        compressor.connect(as.context.destination);

        // Work around a bug in iOS Safari where it now requires a noteOn()
        // message to be invoked before sound will work at all. Just connecting a
        // ScriptProcessorNode inside a user event handler isn't sufficient.
        if (as.model.shouldInitIOS) {
            var s = as.source;
            (s.start || s.noteOn).call(as.source, 0);
            (s.stop || s.noteOff).call(as.source, 0);
            as.model.shouldInitIOS = false;
        }
    };

    // Cut and pasted from flocking-webaudio.js
    as.stopGeneratingSamples = function () {
        compressor.disconnect(0);
        as.jsNode.onaudioprocess = undefined;
    };

    var synth = flock.synth({
        synthDef: {
            ugen: "flock.ugen.filter.biquad.lp",
            freq: {
                ugen: "flock.ugen.sin",
                rate: "control",
                freq: 5,
                phase: 0,
                mul: 3600,
                add: 4000
            },
            source: {
                ugen: "flock.ugen.impulse",
                freq: 4,
                mul: 10,
            }
        }
    });

    var synth2 = flock.synth({
        synthDef: [
        {
            id: "leftSine",
            ugen: "flock.ugen.sinOsc",
            freq: 741,
            mul: 0.05
        },
        {
            id: "rightSine",
            ugen: "flock.ugen.sinOsc",
            freq: 740,
            mul: 0.05
        }
        ]
    });

    var synth3 = flock.synth({
        synthDef: [
        {
            id: "leftSine",
            ugen: "flock.ugen.sinOsc",
            freq: 440,
            mul: 0.05
        },
        {
            id: "rightSine",
            ugen: "flock.ugen.sinOsc",
            freq: {
                ugen: "flock.ugen.sinOsc",        
                freq: 0.125,
                mul: 2,
                add: 442,
            },
            mul: 0.05
        }
        ]
    });



    var synth4 = flock.synth({
        synthDef: [
        {
            id: "leftSine",
            ugen: "flock.ugen.sinOsc",
            freq: 43.125,
            mul: 0.1
        },
        {
            id: "rightSine",
            ugen: "flock.ugen.sinOsc",
            freq: 44,
            mul: 0.1
        }
        ]
    });

    compressor.threshold = -9;
    compressor.ratio = 5;
    compressor.attack = 0;
    compressor.release = 200;

    flock.enviro.shared.play();