AudioletOutput = function(node, index) {
    this.node = node;
    this.index = index;
    this.connectedTo = [];
    this.samples = [];

    this.linkedInput = null;
    this.numberOfChannels = 1;
}
Class representing a single output of an AudioletNode

@constructor
@param {AudioletNode} node The node which the input belongs to.
@param {Number} index The index of the input.