Influence of vision on short-term sound localization training with non-individualized HRTF

Tifanie Bouchara 1 Tristan-Gael Bara 2, 3 Pierre-Louis Weiss 4 Alma Guilbert 4
1 CEDRIC - ILJ - CEDRIC - Interactivité pour Lire et Jouer
CEDRIC - Centre d'études et de recherche en informatique et communications
2 Lab-STICC_UBO_CID_IHSEV
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : Previous studies have demonstrated that it is possible for humans to adapt to new HRTF, non-individualized or altered, in a short time period through various training programs going from simple sound exposure to active learning. While all training programs are based on a bimodal coupling (audio-vision or audio-proprioception), they are rarely based on a trimodal one. Our study compares two versions of active trainings: an audio-proprioceptive one and an audio-visuo-proprioceptive one, in order to explicit the role of vision in short-term audio localization training when action and proprioception are already involved. Results from an experimental between-subjects design study, with 27 participants trained on three different program conditions with or without vision, reveal that vision seems to have no or very little influence on rapid audio-proprioceptive trainings and HRTF adaptation. This study could also help a better utilization of 3D-audio for neurological or psychiatric rehabilitation program.
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Tifanie Bouchara, Tristan-Gael Bara, Pierre-Louis Weiss, Alma Guilbert. Influence of vision on short-term sound localization training with non-individualized HRTF. EAA Spatial Audio Signal Processing Symposium, Sep 2019, Paris, France. ⟨10.25836/sasp.2019.04⟩. ⟨hal-02466823⟩

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