The forging of an immediate and necessary relationship between something one sees and something one hears at the same time (from synchronism and synthesis). The psychological phenomenon of synchresis is what makes dubbing and much other postproduction sound mixing possible.
(Source: Chion, Michel. (1994) Audio-Vision: Sound on Screen. (Trans. Claudia Gorbman) Columbia University Press.)
术语顾问/Consultant to terminology