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- Yokota Eiji
- Department of System Design Engineering, Keio University
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- Katsura Seiichiro
- Department of System Design Engineering, Keio University
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抄録
<p>Realistic systems have received increasing attention auditory sense plays a significant role, sound-field reproduction that generates high-presence sound-field is important. Key factor affecting the presence of sound-field is the influence of echo. Therefore, this study focuses on the effect of echo for a more realistic sound-field reproduction. In this study, the sound wave from a sound source is exposed to the echo effect through an acoustic impedance control performed by constructing a virtual wall. The virtual acoustic impedance is controlled by the sound wave generated from a secondary sound source the virtual wall acoustic impedance varies at a certain distance from the sound source. Therefore, an echo effect is produced through the control of the acoustic impedance the listener feel as if direct sound was reflected at the position of the virtual wall.</p>
収録刊行物
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- IEEJ Journal of Industry Applications
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IEEJ Journal of Industry Applications 9 (6), 650-655, 2020-11-01
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