<map id="Volume" name="Volume"> <area shape="rect" id="node1" title="This sound changes the volume of another sound." alt="" coords="5,155,75,181"/> <area shape="rect" id="node2" href="$classEffect.html" title="This sound is a base class for all effect factories that take one other sound as input." alt="" coords="11,80,69,107"/> <area shape="rect" id="node3" href="$classISound.html" title="This class represents a type of sound source and saves the necessary values for it." alt="" coords="7,5,73,32"/> </map>