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“When the Elephant Trumps”: A Comparative Study on Spatial Audio for Orientation in 360º Videos

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PubDate: May 2019

Teams: Madeira Interactive Technologies Institute & Universidade Nova de Lisboa

Writers: Paulo Bala;Raul Masu;Valentina Nisi;Nuno Nunes

PDF: “When the Elephant Trumps”: A Comparative Study on Spatial Audio for Orientation in 360º Videos

Abstract

Orientation is an emerging issue in cinematic Virtual Reality (VR), as viewers may fail in locating points of interest. Recent strategies to tackle this research problem have investigated the role of cues, specifically diegetic sound effects. In this paper, we examine the use of sound spatialization for orientation purposes, namely by studying different spatialization conditions (“none”, “partial”, and “full” spatial manipulation) of multitrack soundtracks. We performed a between-subject mixed-methods study with 36 participants, aided by Cue Control, a tool we developed for dynamic spatial sound editing and data collection/analysis. Based on existing literature on orientation cues in 360º and theories on human listening, we discuss situations in which the spatialization was more effective (namely, “full” spatial manipulation both when using only music and when combining music and diegetic effects), and how this can be used by creators of 360º videos.

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