This research proposes an evaluation of pitch-based sonification methods via user experiments in real-life scenarios, specifically vertical guidance, with the aim of standardizing the use of audio interfaces in AR in guidance tasks. Using literature on assistive technology for people who are blind or visually impaired, we aim to generalize their applicability to a broader population and for different use cases. We propose and test sonification methods for vertical guidance in a series of hand-navigation assessments with users without visual feedback. Including feedback from a visually impaired expert in digital accessibility, results (N=19) outlined that methods that do not rely on memorizing pitch had the most promising accuracy and self-reported workload performances. Ultimately, we argue for audio AR's ability to enhance user performance in different scenarios, from video games to finding objects in a pantry.
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| http://dx.doi.org/10.1109/TVCG.2024.3372040 | DOI Listing |
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