Sound

Sound: Is a auditory micro-element in the background of film which adds theme to a scene and is important because it gives you an insight on what is going on inside the characters head and underlines psychological refinements so you know more about the character more than on a physical level. It can help enhance emotional experience providing more emotional focus on the film and the unseen implications. Helps identify characters as they may have their own theme song altogether adding meaning and rhythm to the story or plot it does this by paralleling the action in the scene making the action more convincing. It underpins the theatrical build up rounding it off with a sense of finality and continuity bridging scenes together. It can set the period and location of a movie.
Definitions of sound:
Diegetic sound:
This is the sound both you and the characters can hear for example clinking of tea cups in the beginning of the woman in black.

Non-Diegetic sound:
This is the type of sound characters can't hear which is often central to the main theme these are often soundtracks found in the background. For example the jumpy music in psycho shower scene which let's the audience know there is a murder about to take place
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Crescendo:
Build up of sound or music which implies something is going to happen this is to build up tension withing the scene to make the audience brace themselves. music that starts of subtle then builds up for example this shot scene in jaws.
 
Diminuendo:
Where the sound dies down as if a threat has gone away to get the audience at ease with the current situation. This may happen after a scene where the action has passed or the protagonist has defeated the antagonist.

Thriller opening analysis: Final destination 5
This scene uses effective sound to connote with the images shown in the opening it uses parallel sound to the action going on in the opening scene to make it a lot more convincing for example loud sound effects when you see the glass shatter makes it more of an experience to watch than it with just the theme soundtrack.

There is a crescendo build up in the opening showing the audience that in the film something big is going to happen from build ups large quantities of action to get the audience to build up the tension and brace themselves for any kind of action that happens in the film like explosions.
This opening scene makes use of non-diagetic sound to underline the unseen implications of the current situations being dangerous and thrilling complementing its genre.