Voice-over is dialogue, usually narration, that comes from an unseen, offscreen voice, character, or narrator. It is an example of non-diegetic sound, which can be heard by the audience but not by the film characters themselves.
Voice-over is dialogue, usually narration, that comes from an unseen, offscreen voice, character, or narrator. It is an example of non-diegetic sound, which can be heard by the audience but not by the film characters themselves.