The forging of an immediate and necessary 关系 between something one sees and something one hears at the same 时间 from synchronism and 合成 The 心理（学） 现象 of synchresis is what makes dubbing and much other postproduction 声音 混音 可能

源 Chion Michel 1994 Audio-Vision 声音 on Screen Trans Claudia Gorbman Columbia University Press