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Promoting the recognition of entities through their distinctive soundprints.


Awareness .
May call for:
Signature , Character Soundprint , Beacon Locator , Variety , Acoustic Ecology .
Should not compromise:
Variety .


Identification refers to the ability to associate soundprints with their source entities – be they NPC, resources, or other objects in the world.
In the case of characters, Identification consists of the perception of their Character Soundprint.
Identification potentiates accurate behaviour, reduces ambiguities and sets the context that in turn allows completing their representation.

In terms of gameplay, the kind of Awareness provided by Identification is especially relevant when in absence of visual contact with the emitting source.
Beacon Locators constitute one further exploration that exaggerates the acoustic presence of an entity to make it more noticed and localizable.
In games that support Stealth behaviour or that are open-world enough to provide alternative roaming, Identification of NPC is instrumental.

In all cases, the adoption of Signature soundprints, by definition, contributes to Identification and allows refined reaction. For instance, if different types of opponents have distinctive Chitchat or Foley, the player can readily draw up the appropriate weapons, before eye contact.

The issue of Variety, which concerns the perception of repetition, becomes more complex when different entities are not all treated alike, as it is the case implied by Identification. In this case Variety applies not only among the whole set of entities but also for each particular kind of entity.

The design of the sounds that will eventually turn a identity identifiable calls for the appreciation of the Acoustic Ecology of the game, of which such new sounds will eventually become part of.


Silent Hill: The radio that Harry carries with him emits a static interference that allows identifying nearby creatures.
BioShock: Big Daddies' Character Soundprint allows their Identification before Eye Contact. This is important because unlike many other NPC in the game, the player wants to find them. Prompt Identification of the specific type of enemy is crucial in this game due to the need to timely readying the proper weapons. This is possible thanks to their Signatures. For instance Spider Slicers are very quick, attack from the roof, and only a certain characteristic sound allows spotting them before actual eye contact.
The Legend of Zelda: Ocarina of Time: These bats make a sound that allows acknowledging that they are close by.
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The Elder Scrolls IV: Oblivion: Foes are usually clearly audible which is relevant in terms of exploration of the spaces.
inFamous: Harmful NPC make themselves announce.
Crysis: In this circumstance the soldiers' talk avoids that the PC unwillingly exposes himself and runs in a direct confrontation. Also, the talk tells beforehand that there is more than one soldier.
Halo: Reach: A case when the Relaxation following an apparently solved Engagement is interrupted by the Identification of a powerful opponent's Character Soundprint.