var hrtfContainer = new HRTFContainer();
// load Head-Related Impulse Response from the file
hrtfContainer.loadHrir("hrir/kemar.bin");
// create a new panner, source is automatically connected
var panner = new HRTFPanner(audioContext, sourceNode, hrtfContainer);
// connect the panner to the destination node
panner.connect(audioContext.destination);

// call this each time the relative position between the observer and listener changes
panner.update(azimuth, elevation);