Dubbing Need is a term used in the film industry to refer to the process of replacing the original dialogue of a film with a different language. This is done by hiring voice actors to DUB the original dialogue into the desired language. The term is derived from the word 'DUB, ' which means to replace the original sound or dialogue with a new one. The term 'SWORD' is used to refer to the tool used to synchronize the new dialogue with the original footage.