Behind-the-scenes TV stations, directors, photographers and so on. What is your major?

Director: film and television director, television director, film and television science, film and television production, as well as literature, journalism and medicine. Ability, connections, any major will do.

Photography: camera shooting is also brought out by the master.

Recording: Recording was also brought out by the master.

Producer: Producer, also graduated from various majors.

Post-editing: editing, not lines. Except for the teachers of Nortel, there is no university I know that specializes in this subject. They all learned it later.