role one- cinematography
A cinematographer is in charge of the camera and the desision of which camera angles to use such as low angle shot or a high angle shot and the lighting such as side lighting or back lighting. They’re responsible for choosing a style for the film and they choose how each scene is framed. Cinematography is the art of story telling by using camera angles, lighting, zoom and focus and more. They are needed in pre and post production by planning out the scenes, shooting them and then combining them.
role two- sound
sound in a film can help create an atmosphere in the film by the use of non diegetic sound and diegetic sound. By using different types of sound in different scenes can change the meaning and the story behind the scene. This shows the importance of sound and how it is needed in a film and by the sound being good it can change the meaning of the film. The use of sound is necessary to a film,
foley artists
-when recording microphones on set cant always pick up the small sounds so they are added in post preduction
-they add in many different subtle sounds such as footsteps and doors shutting
sound designers
-an individual ultimately responsible for all aspects of a film’s audio track, from the dialogue and sound effects recording to the re-recording (mix) of the final track
sound mixers
– responsible for recording all sound recording on set during the filmmaking or television production
this requires choice and deployment of microphones
-do more specific information about differnt types of sound!! on wiki