Restoring deleted voice recording

Is there any way to restore a voice recording I accedentally deleted??

CNET has a list of recovery programs that you can use.  Maybe one might recover your recording.

http://download.cnet.com/1770-20_4-0-1.html?query=recovery+software&searchtype=downloads&filter=platform=Windows&filterName=platform=Windows&tag=mncol;pageb