The document discusses different types of sounds that can be used in films, including diegetic sounds (sounds from within the film's world), non-diegetic sounds (sounds outside the film's world), synchronous sounds (sounds that match what is seen on screen), and asynchronous and contraputal sounds (sounds that don't match or contrast with the images). It provides examples of each type of sound and encourages analyzing the sounds that may be used in different film genres and scenes.