180 degree rule

Filmic guideline dictating that reciprocating characters in the same scene always need to have the same spatial relationship to each other.


Selective remembrance in a dense sonic environment; perceptive or memory deletion of a sound or a group of sound in an audible whole.

Character glance

Orientation of the look of a character onscreen; its direction orients the audience to something in the diegesis and enables to build spatial relationships within a scene

Cocktail party

Perceptual ability with which a listener can focus on a conversation in a busy sonic environment Characteristics: Active focus of the viewer The dens ...

Common fate

Perceptive effect that dictates that one change in several sounds at the same time will affect the all group. Characteristics: Can be applied to individ ...

Continuity editing

Set of rules and conventions that maintain spatial and temporal continuity, allowing the audience to experience a smooth and concrete physical narration.

Cut out

The Cut out effect refers to the sonic difference of ambiance sounds when passing from a place to another. For instance, a person going from a busy café to a qu ...

Debureau effect

The Debureau effect is resulting from the voluntary mutism of a character. It is the spectators’ expectation to hear the sound of his voice.

Depth of field

Distance between the nearest and furthest object that appears reasonably sharp on the image due to the mechanical and optic properties of the lense and sensor of the camera.


If using a multispeaker projection, a sound coming from the right speaker will reach the right ear first, creating a temporal delay and sound shadow in the left ear; making us perceive upon hearing that the sound is coming from the right hand side.


A dissolve is the result of a shot fading out while another is fading in, this creates a link between the two.

Extra diegetic

Diegetic space which extend from the regular diegetic space; a common example is found in dream sequences. World = diegetic space Dream = extra diegetic spa ...


Change in the relative degree of darkness and lightness, the amount of contrast and the degree of clarity in a visual image

Group music

Music that is used in particular events coordinating the emotions of a group of people (ex: marching, rites, war, etc…).


Materialising sound indices: all little details in sound occurrence that will make the event appear more real in the cinematic world

Narrative cueing

Any types of information helping the audience to orient to the setting, character and/or narrative events providing a particular point of view