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The term dialogue simply means the words that are spoken by the characters on screen.

The amount of dialogue in any given film can vary. An action film may have very little spoken dialogue but a character based drama may have a lot.

For film-makers it is important that dialogue is always well recorded and clearly audible.

It’s also important to never used dialogue if the story information being discussed can be shown visually.

Foley sound

Foley is the word used to describe replacement sounds recorded in post-production.

^{The technicians who create Foley are called Foley artists. A Foley artist might record the sound of a door being closed if a scene featured that action but the original recording of the scene did not capture that sound.}

Foley artists can also enhance or replace an original sound - if a character’s footsteps were not loud enough they might record the sound of their own footsteps and have that audio inserted into the film instead.

Sound bridge

A sound bridge is a technique in which the sound from a previous scene carries over into the opening of the next one.

In a horror movie, if one scene ended with a character screaming, the director might use a sound bridge to have that scream extend into the opening of the next scene.

A sound bridge can also be used to have audio from the next scene begin before the film-maker has cut to it.

Wild track

The term 'wild track' refers to sound that is recorded during a film shoot, but separately from the main production audio and without any accompanying film footage being shot.

Examples of wild track might include:

• recording a loud scream which might be heard off-screen during a scene
• re-recording sections of dialogue which may not have been recorded clearly during the day’s filming

The most common use of wild track is to capture 'room noise' or 'atmos' which is short for atmosphere.

^{Atmos is the background noise which can still be heard in a room or location even when no-one is speaking.}

Atmos is the background noise which can still be heard in a room or location even when no-one is speaking.

Recording a minute or more of this noise allows film-makers to edit audio more effectively by using that background track to cover gaps which might otherwise be noticeable.