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Absolute Threshold of Coherence of Position Perception between Auditory and Visual Sources for Dialogs

Under certain conditions, auditory and visual information are integrated into a single unified perception, even when they originate from different locations in space. The main motivation for this study was to find the absolute perception threshold of position coherence between sound and image, when moving the image across the screen, and when panning the sound. In this manner, it is possible to subjectively quantify, by means of the constant stimulus psychophysical method [1], the maximum difference of position between sound and image considered coherent by a viewer of audiovisual productions. This paper discusses the accuracy necessary to match the position of the sound and its image on the screen. The results of this study could be used to develop sound mixing criteria for audiovisual productions.

Authors: Munoz, Roberto; Recuero, Manuel; Duran, Diego; Gazzo, Manuel
Affiliations: U. Tecnológica de Chile INACAP; Technical University of Delft(See document for exact affiliation information.)
AES Convention:125 (October 2008) Paper Number:7519 Import into BibTeX
Subject:Audio for Broadcasting

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