Definitions for "Voice Over"
a narration by an offscreen announcer that provides backstory, or some other important story element, such as player objectives, or rules of weapon use or gameplay.
the voice on an unseen commentator in a film of television program
in post production: the process of an actor recording audio which is edited over a scene
A piece of recorded speech used to inform the viewer or enhance a video presentation
VoiceOver is a feature built into Apple Computer's Mac OS X v10.4 "Tiger" operating system, as well as the latest presentation build of Mac OS X v10.5 "Leopard"; the latter version represents a significant step forward from the 10.4 VoiceOver speech synthesiser. By using VoiceOver, the user can access his or her Macintosh by using speech and the keyboard. The feature is designed to increase accessibility for those with impaired vision.