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Toward Sound Localization Testing in Virtual Reality to Aid in the Screening of Auditory Processing Disorders
Melissa Ramírez1,2, Johannes M Arend2, Petra von Gablenz3
1Institute of Computer and Communication Technology, TH Köln University of Applied Sciences, Cologne, Germany.
Trends in Hearing
|March 1, 2024
Summary
This study explored virtual reality (VR) for sound localization testing, finding it a viable, portable alternative to complex traditional methods. VR offers a promising, accessible tool for hearing evaluations and prescreening auditory processing disorders.
Area of Science:
- Audiology
- Virtual Reality
- Psychoacoustics
Background:
- Sound localization testing is crucial for hearing evaluations, especially for auditory processing disorders.
- Conventional methods are complex, requiring specialized rooms and equipment, limiting clinical use.
- Virtual reality (VR) presents a potential solution to simplify and improve accessibility.
Purpose of the Study:
- Investigate the feasibility of sound localization testing in VR.
- Compare localization performance in VR versus traditional loudspeaker setups.
- Quantify the impact of virtualization on localization accuracy.
Main Methods:
- Conducted a within-participant study with normal-hearing adults.
- Compared sound localization in loudspeaker and VR environments.
- Gradually transitioned from conventional to virtual audiovisual settings.
Main Results:
- Loudspeaker experiment results aligned with existing literature.
- Virtual localization tests revealed performance insights in modern VR.
- Quantified increased localization blur due to VR virtualization.
Conclusions:
- VR is a feasible and potentially more accessible method for sound localization testing.
- This study provides initial normative cutoff values for VR sound localization.
- VR-based testing could serve as an efficient prescreening tool, saving time and resources.
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