What is the responsibility of a Sound Designer in film production?

The role of a Sound Designer in film production is primarily focused on the post-production audio aspect. This includes creating, recording, editing, and mixing the auditory elements in a film, such as dialogue, sound effects, and ambient sounds. A Sound Designer enhances the overall storytelling through audio, ensuring that the sound complements the visuals effectively and contributes to the film's emotional tone.

In contrast, other roles mentioned involve different aspects of film production. Editing the film is typically the responsibility of a film editor, who assembles the final cut of the movie from various shots. Choosing actors falls under the purview of a casting director, who manages the audition process and selects suitable performers for the roles. Designing lighting setups is primarily the role of a cinematographer or lighting technician, who focuses on creating the visual look of the film through effective lighting choices. Thus, the specific duty of the Sound Designer is to manage and enhance the film’s audio, making option B the correct choice.