An Audio-Based 3D Spatial Guidance AR System for Blind Users

James M Coughlan1, Brandon Biggs1, Marc-Aurèle Rivière2

  • 1The Smith-Kettlewell Eye Research Institute, San Francisco, CA.

Computers Helping People with Special Needs : ... International Conference, ICCHP ... : Proceedings. International Conference on Computers Helping People with Special Needs
|November 23, 2020
PubMed
Summary

Augmented reality (AR) offers audio guidance for blind users. A new 3D spatial audio interface helps visually impaired individuals navigate physical objects, demonstrating a feasible and beneficial approach.

Related Concept Videos

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
1.5K
Blind Procedures02:07

Blind Procedures

Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
12.6K
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
670