| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Research Abstract |
A numerical simulation was performed to analyze an acoustic phenomenon around a head, especially an external ear, and subsequently to investigate what causes an inter-individual variation of acoustic signals observed at an ear-canal entrance. Results reveal the features of resonance modes arising in a pinna cavity for sound sources on the median sagittal plane. Furthermore, it is shown that upper details of a pinna play a crucial role in determining physical properties of the acoustic signal and sound localization.
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