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Impact of Alert Sounds on Hybrid Electric Vehicle Detectability for Blind Pedestrians

This study investigates the effectiveness of artificially generated alert sounds on the detectability of hybrid electric vehicles (HEVs) by blind pedestrians. Analyzed using one-third octave frequency spectra, the research was conducted at both the College of Health and Human Services parking lot and Midlink Business Park roadway. Findings reveal significant implications for improving pedestrian safety through enhanced auditory signals, providing critical insights for vehicle design and policy development to better serve the visually impaired community.

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Impact of Alert Sounds on Hybrid Electric Vehicle Detectability for Blind Pedestrians

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  1. Figure 1. One-third octave frequency spectrum of forward Vehicle Sound for Pedestrians (VSP) sound at idle. CHHS = College of Health and Human Services (parking lot), Midlink = Midlink Business Park (roadway). Kim DS, Wall Emerson R, Naghshineh K, Pliskow J, Myers K. Impact of adding artificially generated alert sound to hybrid electric vehicles on their detectability by pedestrians who are blind. J Rehabil Res Dev. 2012; 43(3):381–94.http://dx.doi.org/10.1682/JRRD.2011.03.0041

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