Voice over is a production technique where a voice is recorded and added to a video, film, or other media. This voice can be used to narrate a story, provide commentary, or give instructions. It is commonly found in animated films, commercials, and documentaries, enhancing the viewer's understanding and engagement. The voice over artist is responsible for delivering the script in a way that matches the tone and emotion of the content. This technique is essential in various industries, including advertising, video games, and e-learning, making it a versatile tool for communication and storytelling.