Cross-modal melodic contour similarity
Mots-clés :
Fourier analysis, Surface structure, Auditory visuals, Contour models, Cross modals, Line drawings, Phase spectrum, Relative positionsRésumé
Au cours de deux expériences des participants ont estimé la similarité des contours mélodiques présentés comme stimuli auditifs (des mélodies) et visuels (des dessins au trait). Des mélodies longues (M = 35 notes) ont été évaluées dans la première expérience; des mélodies courtes (M = 17 notes) ont été évaluées dans la deuxième expérience. Les estimations de similarité des contours auditifs et visuels équivalents étaient plus élevées que les estimations de similarité des contours auditifs et visuels différents, ce qui confirme la sensibilité des participants aux contours représentés par des modalités sensorielles différentes. Le degré de chevauchement de la structure superficielle (la position relative des crêtes et des cuvettes), et la force et le rythme de l’information cyclique (les spectres d’amplitude et de phase obtenus par analyse de Fourier) dans les contours ont prédit pour les modalités sensorielles différentes des estimations de similarité élevées.Fichiers supplémentaires
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