+2  A: 

You may find interesting to see this CodeRage 4 session on "Speech Enabling Delphi Applications (zip)" You'll get the "how-to" you're looking for... (and I guess you are on Vista or + as the the zero divide did not happend on XP)

François
Ah, thank you very much! So it wasn't simply me being stupid, then!
Andreas Rejbrand
BTW: Feel free to remove the question mark next to your name if you want to take credit for the video! :)
Andreas Rejbrand