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Transfer effects on sound localization performances from playing a virtual three-dimensional auditory game |
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| Authors: | Akio Honda,Hiroshi Shibata,Jiro Gyoba,Kouji Saitou,Yukio Iwaya,Yô iti Suzuki |
| Affiliation: | a Department of Psychology, Faculty of Humanities, Iwaki Meisei University, 5-5-1 Chuodai Iino, Iwaki City, Fukushima 970-8551, Japan b Department of Psychology, Graduate School of Arts and Letters, Tohoku University, 27-1, Kawauchi, Aoba-ku, Sendai 980-8576, Japan c Research Institute of Electrical Communication and Graduate School of Information Sciences, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-8577, Japan |
| Abstract: | Transfer effects of playing an auditory game with a virtual auditory display (VAD) were investigated. Furthermore, we analyzed the effects of playing the VAD game on sound localization performance under subjects’ own head-related transfer functions (HRTFs) and HRTFs fitted from those of 16 other adults. Participants performed sound localization tasks initially and 2 weeks later to show the effects. The VAD game players were of three groups, using own HRTFs, fitted HRTFs, and no playing (control). The VAD game-playing results revealed that: (1) the hit rate of the sound localization task for real sound sources increased approximately 20%; (2) the vertical and horizontal localization error decreased significantly; (3) sound localization performance using fitted HRTFs was similar to performance using own HRTFs. Follow-up tests revealed that transfer effects persisted more than 1 month, suggesting that the effects of playing the VAD game transfer to sound localization performance. |
| Keywords: | Transfer effect Virtual auditory display Head-related transfer functions Perceptual-motor learning |
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