In movies and television, postproduction is the work such as editing that takes place after the movie has been shot.
The film's postproduction will be completed early next year.
...a film postproduction company.
postproduction in British English
(ˌpəʊstprəˈdʌkʃən)
noun
a.
the work on a film or a television programme, such as editing, dubbing, etc, that takes place after shooting or videotaping is completed
b.
(as modifier)
postproduction costs
postproduction in American English
(ˌpoʊstprəˈdʌkʃən)
noun
the part of film or video production taking place after all the scenes have been shot, during which the final version of the film or tape is edited, the soundtrack is mixed, and music and special effects are added