Abstract
This study assessed participant performance of an outdoor navigation task using a mobile audio augmented reality system. Several quantitative performance measures and one subjective measure were used to compare the perceptual efficacy of Ambisonic and VBAP binaural rendering techniques, and a range of head-turn latencies. The study extends existing indoors research on the effects of head-turn latency for seated listeners.
The pilot experiment found that a source capture radius of 2 meters significantly affected the sole participant’s navigation distance efficiency compared to other radii. The main experiment, using 8 participants, found that render method significantly affected all performance measures except subjective stability rating, while head-turn latency only affected mean track curvature and subjective stability. Results also showed an interaction in which the choice of rendering method mitigated or potentiated the effects of head-turn latency on perceived source stability.
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Mariette, N. (2010). Navigation Performance Effects of Render Method and Head-Turn Latency in Mobile Audio Augmented Reality. In: Ystad, S., Aramaki, M., Kronland-Martinet, R., Jensen, K. (eds) Auditory Display. CMMR ICAD 2009 2009. Lecture Notes in Computer Science, vol 5954. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-12439-6_13
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DOI: https://doi.org/10.1007/978-3-642-12439-6_13
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