Sound terminology

Diegetic sound:

Diegetic sound is any sound that emanates from the story (or narrative) world of a film, which is referred to in film studies as diegesis. Diegetic sound can include everything from the voices of characters to the sounds of objects or music coming from a radio or an instrument–anything that exists in the story world.

• Synchronous sound:sounds that match what you see on screen
• Sound effect: realistic sounds that match the action screen creating realism and/or connoting atmosphere
• Dialogue: characters speaking (dialogue progresses the narrative and reveals the characters personality/views to the viewer).
• Ambient sound: natural background noise you would hear if the scene on screen were real - this is vital when creating realism.

Non-diegetic sound:

Non-diegetic sound. Sound whose source is neither visible on the screen nor has been implied to be present in the action: narrator's commentary. sound effects which is added for the dramatic effect. mood music.

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