setNodeSource( audioNode ) {

		this.hasPlaybackControl = false;
		this.sourceType = 'audioNode';
		this.source = audioNode;
		this.connect();

		return this;

	}
Sets the given audio node as the source of this instance.

{@link Audio#sourceType} is set to `audioNode` and {@link Audio#hasPlaybackControl} to `false`.

@param {AudioNode} audioNode - The audio node like an instance of `OscillatorNode`.
@return {Audio} A reference to this instance.