Abstract
AbstractRecently, a path navigation system for visually impaired persons was developed that provides direction using three-dimensional (3D) audio. However, the path navigation system only provides the directions to a destination—the person cannot perceive either the shape of the room or the obstacles. Therefore, we investigated the effectiveness of 3D audio in spatial perception under visual restrictions. We conducted a spatial perception experiment and a walking experiment to confirm how accurately people can perceive spatial information by moving a sound source using 3D audio. In these experiments, we developed a mixed-reality application to provide spatial information in a virtual environment. A noise sound was presented and moved along the shape of the virtual room. The experimental results suggest that people can perceive spatial information and walk around the room by moving a sound source along the shape of the room.KeywordsBlindnessHuman navigation3D audioSound localization
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