Sensory Cues in Assistive Technologies: a Comparative Study of the BuzzClip and NOA
Pittet, C. E.; Fabien, M.
Show abstract
Electronic travel aids have the potential to significantly improve the security and independence of blind or visually impaired people when traveling. However, it is critical that such devices convey relevant information without overwhelming users. This study examines the performance of two assistive technologies in obstacle detection: the BuzzClip, which uses ultrasonic sensors to provide haptic feedback, and NOA, which utilizes infrared cameras and an AI-powered computer to deliver audio feedback. One participant completed four different mobility routes with each route tested separately using both devices, and the number of auditory or haptic stimuli was recorded. According to the data collected, the BuzzClip produced significantly more sensory feedback than NOA. This difference can be attributed to the devices detection methods and the ability to filter obstacles. These findings highlight the differences between certain electronic travel aids, underlining the importance of creating tools that provide sufficient information to users while avoiding the potential sensory overload caused by excessive stimuli. Such considerations are crucial in designing mobility tools that effectively enhance mobility while offering an agreeable experience for users.
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