Use of sound in film

Foley sound- a sound that is added in post-production.

Diegetic sound- presented as orginated from source within the film's world

Non-diegetic sound- sound whose sourcr is neither visible on screen nor has been implied to be prdent in the film's world.

J-cut- hear the sound of the next scene before the scene appears.

L-cut- both scene and sound start at the next scene

Contrapental sound- when the sound constrats what is happening on screen