Answer:
There are several ways in which synchronization is utilized in film:
Dialogue synchronization: The dialogue of the characters in a film must be synchronized with their lip movements and facial expressions on screen.
Sound effects synchronization: Sound effects, such as footsteps or doors closing, must be synchronized with the corresponding visual elements on screen.
Music synchronization: Music is often used to enhance the mood or atmosphere of a film, and it must be synchronized with the visuals on screen.
Lip sync: Lip sync, or lip synchronization, refers to the matching of dialogue with lip movements and facial expressions on screen. Lip sync is important for maintaining the realism and believability of a film.