Here is the Link to the Audio Trigger maker:
http://www2.research.att.com/~ttsweb/tts/demo.php
Here is the link to the You Tube Video that shows you how to make them:
http://www.youtube.com/watch?v=mTM3ohSl_B4
This is a simple thing to do and is needed very much in VoA.
If Spine would be so kind as to post what audio triggers he wants and the actions to take you should be able to make your Audio Triggers easy.