Jerry Sandusky professed his innocence and vowed to continue fighting his child molestation conviction in a recorded statement broadcast on the eve of his sentencing Tuesday, a possible preview of remarks he was expected to make at the hearing.

In the three-minute monologue aired Monday night by Penn State Com Radio, the former Penn State assistant football coach said he knows in his heart that he did not do what he called ‘‘these alleged disgusting acts’’ and described himself as the victim of Penn State, investigators, civil attorneys, the media and others.