立命館アジア太平洋大学(APU...1 立命館アジア太平洋大学(APU) における国際化と課題 Globalization & Issues Specific to APU APU副学長薬師寺公夫
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Transcript of IL M G#*9]CHrQ - 立命館大学 · h 15 s|\P
h 15s|\P<Ackj"jF#Xqgq@88 (2010/ 9n)
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A study of 3-dimensional sound field reproduction technique based on the reflective audio spot
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Yutaro Sugibayashi$Sota Kurimoto$Masanori Morise$
Takanobu Nishiura$Fumihisa Shibata$and Hideyuki Tamura
1) )?[gXgX! })X&fJ
J) 525-8577 "l)pETn)l 1-1-1K
Abstract : We have constructed a audio-visual mixed reality (MR) system with headphones%In
this paper, we try to construct a new 3-dimensional sound field reproduction technique, named
”acoustic planetarium” with several parametric loudspeakers. Parametric loudspeaker can emit the
acoustic sound wave to a particular area. Furthermore, acoustic sound image is perceived on the
wall, provided that the emitted sound wave arrives at listeners through the wall. Utilizing proposed
technique, the users can experience 3-dimensional sound fields without headphones. We carried
out evaluation experiments for the proposed technique. And we confirmed the effectiveness of the
proposed technique.
Key Words: Mixed Reality, 3-Dimensional Sound Field Reproduction, Parametric Loudspeaker
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