HTML Attribute for <EMBED ...>
AUTOSTART =TRUE |FALSE

AUTOSTART (which works with both sounds and movies) indicates if the media clip should start automatically when it is loaded. TRUE indicates it should, FALSE (the default) says it shouldn't.

This Code Makes This 
<EMBED 
 SRC="/sounds/helloo.wav" 
AUTOSTART=TRUE 
 WIDTH=144 HEIGHT=60
 >
this page

<EMBED LOOP="..."> >