What is the role of the combination of sound and picture in a movie short answer question?

Enhances the artistic effect and helps the picture to **** with the setting and rendering of the theme.

Movie screening is like the process of hallucination, and the source of this hallucination is the combination of vision and hearing. Picture and sound are basically in a synchronized state, and the theme and tone of the picture is exactly the theme and tone of the sound; the mood and tone of the sound is also the same as the mood and tone of the picture.

Synchronization of sound and picture is one of the most commonly used means of treatment in film and television works of art. The effect produced by sound in it is mostly a kind of baking effect.

Expanded information:

Film according to the principle of visual retention, the use of photographic (as well as audio recording) means of the outside world of the image of things (as well as sound) on film, through the projection (while the sound is restored), the use of electricity will be the moving image projected on the screen (as well as synchronization of sound) in order to express the content of a certain modern technology.

Film uses film, videotape, or digital media to capture images and sound, plus post-production editing to create, just like art itself, has a complex and diverse range of disciplines, and there are many types of film, as well as a variety of ways to categorize them.

Film began to develop as a talkie, and in the 21st century it has come to the age of the movie stunt. Movies made using a lot of computerized stunts are popular with the majority of people below middle age.