Effet Doppler

Champs d’étude [CdE]

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Acoustique

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Phénomène par lequel la perception d’un son qui se déplace varie selon la position de l’auditeur par rapport à la source. Ainsi le son semble plus aigu lorsque la source s’approche et plus grave lorsqu’elle s’éloigne. Cet effet peut être attribué à la perception des longueurs d’onde plus petites lors de l’approche et plus longues lors de l’éloignement. (basé sur le Dictionnaire des Arts Médiatiques : http://www.dictionnairegram.org)

 

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