Julian Treasure shows how sound affects us in four significant ways. Listen carefully for a shocking fact about noisy open-plan offices.<br><br>Julian Treasure studies sound and advises businesses on how best to use it.<br><br><br><br><iframe src="http://www.hurriyettv.com/Embed.aspx?vid=33858&amp;w=640&amp;h=362&amp;autostart=true" width="640" height="362" frameborder="0" scrolling="no" allowfullscreen=""></iframe>