Perceived Human Hearing Graph (perceived sound pressure vs. frequency)
<ul><li><a href="//commons.wikimedia.org/wiki/File:Human_Hearing_Graph.jpg" title="File:Human Hearing Graph.jpg">Human_Hearing_Graph.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:Daxx4434&amp;action=edit&amp;redlink=1" class="new" title="User:Daxx4434 (page does not exist)">Daxx4434</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Daniel_Callejas_Sevilla" title="User:Daniel Callejas Sevilla">Dani CS</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Daniel_Callejas_Sevilla" title="User talk:Daniel Callejas Sevilla"><span class="signature-talk">talk</span></a>)</li></ul>
2012-07-14
<a href="//commons.wikimedia.org/wiki/File:Human_Hearing_Graph.jpg" title="File:Human Hearing Graph.jpg">File:Human_Hearing_Graph.jpg</a>