See The XHTML Design Sourcebook, Chapter 8, Section 8.3
A) Full Sized Controller.
<embed src="sound.au" controller="true"
height="15" width="150" autostart="true" />:
B) Reduced Size Controller.
<embed src="sound.au" controller="true"
height="40" width="90" autostart="true" />:
C) Hidden Control -- Repeats Endlesssly.
<embed src="sound.au" hidden="true" loop="true"
autostart="true" />:
A) Full Sized Controller.
<embed src="colere.mpg" autostart="true" />:
A) Reduced Sized Looping Controller.
<embed src="colere.mpg" loop="true"
height="150" width="100" />: