Insert below html code into your html document
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0" width="768" height="555"> <param name=movie value="how to insert sound file.swf"> <param name=quality value=high> <embed src="how to insert sound file.swf" quality=high pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="768" height="555"> </embed> </object>