In the video of ghost animals, how did that short action repeat many times quickly with screen vibration?

Intercept the key frames to be repeated, usually one or several frames, then select them and copy and paste them for many times, thus forming the effect of repetition and screen trembling.

Film editing is to screen, select, decompose and combine a large number of materials shot in film production, and finally complete a work with clear meaning, distinct theme, strong artistic appeal and coherence. Starting from American director Griffith, the art of editing was produced by using the method of lens shooting and then connecting these lens groups.

Editing is an indispensable work in the process of film production, and it is also the last re-creation in the process of film art creation. French new wave film director Godard: editing is the official beginning of film creation.