CrossFade = function(audiolet, position) {
    AudioletNode.call(this, audiolet, 3, 1);
    this.linkNumberOfOutputChannels(0, 0);
    this.position = new AudioletParameter(this, 2, position || 0.5);
}
Equal-power cross-fade between two signals

**Inputs**

- Audio 1
- Audio 2
- Fade Position

**Outputs**

- Mixed audio

**Parameters**

- position The fade position.  Values between 0 (Audio 1 only) and 1 (Audio
2 only).  Linked to input 2.

@constructor
@extends AudioletNode
@param {Audiolet} audiolet The audiolet object.
@param {Number} [position=0.5] The initial fade position.