Sound for 3D cinema and the sense of presence

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Title: Sound for 3D cinema and the sense of presence
Author: André, Cédric R. ; Embrechts, Jean-Jacques ; Verly, Jacques G. ; Rébillat, Marc ; Katz, Brian F. G.
Abstract: While 3D cinema is becoming more and more established, little effort has focused on the general problem of producing a 3D sound scene spatially coherent with the visual content of a stereoscopic-3D (s-3D) movie. As 3D cinema aims at providing the spectator with a strong impression of being part of the movie (sense of presence), the perceptual relevance of such spatial audiovisual coherence is of significant interest. Previous research has shown that the addition of stereoscopic information to a movie increases the sense of presence reported by the spectator. In this paper, a coherent spatial sound rendering is added to an s-3D movie and its impact on the reported sense of presence is investigated. A short clip of an existing movie is presented with three different soundtracks. These soundtracks differ by their spatial rendering quality, from stereo (low spatial coherence) to Wave Field Synthesis (WFS, high spatial coherence). The original stereo version serves as a reference. Results show that the sound condition does not impact on the sense of presence of all participants. However, participants can be classified according to three different levels of presence sensitivity with the sound condition impacting only on the highest level (12 out of 33 participants). Within this group, the WFS soundtrack provides a lower reported sense of presence than the other custom soundtrack. The analysis of the participants' heart rate variability (HRV) shows that the frequency-domain parameters correlate to the reported presence scores.
Description: Presented at the 18th International Conference on Auditory Display (ICAD2012) on June 18-21, 2012 in Atlanta, Georgia. Reprinted by permission of the International Community for Auditory Display,
Type: Proceedings
ISSN: 2168-5126
Citation: Proceedings of the 18th International Conference on Auditory Display, Atlanta, GA, USA, 18-21 June 2012. Ed. Michael A. Nees, Bruce N. Walker, Jason Freeman. The International Community for Auditory Display, 2012. 14-21.
Date: 2012-06
Contributor: Université de Liège. INTELSIG Laboratory
Université Paris Descartes. Laboratoire psychologie de la perception
École normale supérieure (France). Département d’études cognitives
Relation: ICAD2012. Papers I: Spatial Audio
Publisher: Georgia Institute of Technology
Subject: Auditory display
3D cinema
Spatially coherent soundtrack

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