When making a film, sound is very important.
This sound can be record whilst filming or recorded separately and added to the film later.
Whether the character in the film can hear the sound or not is unrelated to the process of recording it.
Diegetic sound is that which the character can hear.
Non Diegetic sound is that which the character cannot hear.
The sound of film can be broken down into different elements that create the atmosphere and describe to the audience what is happening.
Voice over (This is used when eh dialogue captured during the recording is not good enough quality.) (Diegetic)
Foley (This is the sounds added after the film was made and often exaggerates the action and tells you what is happening during the film.e.g. door opening, gun shot, punching.) (Diegetic)
Sound Track (This is the musical score and any atmospheric sounds used to enhance the mood of the film, often orchestral, or popular music songs or sounds to add tension. (Non- Diegetic)
Your task is to find examples of these and embed them on your blog!