Impact of wearing a head-mounted display on localization accuracy of real sound sources

For augmented reality experiences, users wear head-mounted displays (HMD) while listening to real and virtual sound sources. This paper assesses the impact of wearing an HMD on localization accuracy of real sources. Eighteen blindfolded participants completed a localization task on 32 loudspeakers w...

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Veröffentlicht in:Acta acustica 2023, Vol.7, p.3
Hauptverfasser: Poirier-Quinot, David, Lawless, Martin S.
Format: Artikel
Sprache:eng
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Zusammenfassung:For augmented reality experiences, users wear head-mounted displays (HMD) while listening to real and virtual sound sources. This paper assesses the impact of wearing an HMD on localization accuracy of real sources. Eighteen blindfolded participants completed a localization task on 32 loudspeakers while wearing either no HMD, a bulky visor HMD, or a glass visor HMD. Results demonstrate that the HMDs had a significantly impact on participants’ localization performance, increasing local great circle angle error by 0.9°, and that the glass visor HMD demonstrably increased the rate of up–down confusions in the responses by 0.9–1.1%. These results suggest that wearing an HMD has a sufficiently small impact on real source localization that it can safely be considered as an HMD-free condition in most but the most demanding AR auditory localization studies.
ISSN:2681-4617
1610-1928
2681-4617
1861-9959
DOI:10.1051/aacus/2022055