Grain is a basic characteristic of film. Film grain consists of individual silver halide crystals that are randomly distributed across an image. The random distribution of the crystals creates the visual impression of graininess. Grain adds a distinctive look to film, and different film stocks have different grain signatures.
Grain added to composition.
The grain management tools let you create convincing composites with film material. You may want to add grain to clips that originate from video to give them a film look.
The grain management tools are useful when:
