The "Harry Potter" series of films have always been produced by Industrial Light & Magic as the main special effects shots of the film, but starting from "Harry Potter and the Deathly Hallows (Part 1)", with the withdrawal of Industrial Light & Magic, the United Kingdom Special effects company Double Negative began to provide major special effects services for the film. In fact, since "Harry Potter and the Prisoner of Azkaban", Double Negative has provided special effects services for every Harry Potter movie.
In "Harry Potter and the Deathly Hallows (Part 1)", the special effects team led by Tim Burke is mainly responsible for the following scenes in the film: the rust of the Warner Company logo, the Burrow and Shenofi in the opening credits The digital extension and 3D effect production of the surrounding environment of Liu Si's house, improved the "smoke" effect of the Death Eater's "flying" and the transition when landing, and the notification of the patron saint at the wedding. In addition, the film also cooperated with Framestore to produce an animated short film "The Story of Three Brothers". Also participated in the production of CGI creatures, such as Dobby and Kreacher.
