Analysis of environmental sounds as indexical signs in film
Moncrieff, Simon, Dorai, Chitra and Venkatesh, Svetha 2001, Analysis of environmental sounds as indexical signs in film, in Advances in multimedia information processing - PCM 2001 : second IEEE Pacific Rim Conference on Multimedia proceedings, Springer, Berlin, Germany, pp. 538-545, doi: 10.1007/3-540-45453-5_69.
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Analysis of environmental sounds as indexical signs in film
In this paper, we investigate the problem of classifying a subset of environmental sounds in movie audio tracks that indicate specific indexical semiotic use. These environmental sounds are used to signify and enhance events occurring in film scenes. We propose a classification system for detecting the presence of violence and car chase scenes in film by classifying ten various environmental sounds that form the constituent audio events of these scenes using a number of old and new audio features. Experiments with our classification system on pure test sounds resulted in a correct event classification rate of 88.9%. We also present the results of the classifier on the mixed audio tracks of several scenes taken from The Mummy and Lethal Weapon 2. The classification of sound events is the first step towards determining the presence of the complex sound scenes within film audio and describing the thematic content of the scenes.
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