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Sound Effect on Visual Gaze When Looking at Videos

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Executive Summary

This paper presents an analysis of sound effect on visual gaze when looking at videos to help to predict eye positions. First, an audio-visual experiment was designed with two groups of participants, with Audio-Visual (AV) and Visual (V) conditions to test the sound effect. The authors classify the sound in three classes: on-screen speech, non-speech and non-sound. They observe with statistical methods that the sound effect is different depending on the class of sound. Then a comparison of the experimental data and a visual saliency model was carried out, which proves that adding sound to video decreases the accuracy of the prediction of the visual saliency model without a sound pathway.

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