Diegetic Sound Diegetic sound is a noise which has a source on-screen. They are noises which are heard by both the character and the audience and sometimes could be edited in, e.g. like a phone call. Diegetic sound can be dialogue between characters or footsteps. Diegetic sound exists inside of the story and is heard by the characters. Taken from - Stephanie B. What is the difference between ‘Diegetic’ and ‘Non-diegetic’ sound?. Available: https://www.mytutor.co.uk/answers/1621/GCSE/Media-Studies/What-is-the-difference-between-Diegetic-and-Non-diegetic-sound/ . Last accessed 28th Feb 2020. An example of diegetic sound in film - I think this clip shows good use of diegetic sound in film since from the beginning to around two minutes in, the scene shows the main characters just talking to each other. The scene also starts with the sound of a radio, which you may firstly think is a non diegetic sound, yet it goes on to show the house and more importantly the main char...