| Project/Area Number |
15K12494
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Natural disaster / Disaster prevention science
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| Research Institution | Aichi Shukutoku University |
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Principal Investigator |
Amano Shigeaki 愛知淑徳大学, 人間情報学部, 教授 (90396119)
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| Co-Investigator(Kenkyū-buntansha) |
牧 勝弘 愛知淑徳大学, 人間情報学部, 教授 (50447033)
榊原 健一 北海道医療大学, リハビリテーション科学部, 准教授 (80396168)
山川 仁子 尚絅大学, 文化言語学部, 准教授 (80455196)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | 拡声音 / 音声知覚 / 情報伝達 / 重畳 / 時間遅れ / 生成 / 音源 / 伝搬 / 環境雑音 / 知覚 |
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| Outline of Final Research Achievements |
To improve speech intelligibility of a loudspeaker announcement in noisy outdoor conditions such as a heavy rain and a snow storm, characteristics of announcement words, sound transmission, and speech perception were investigated. It was revealed that speech perception is degraded mainly by a time-delayed overlap of announcement caused by multi-loudspeakers' output especially with 100ms to 200ms time delay. Easy words for an intelligible announcement were proposed from the perspective of phoneme's noise tolerance and word familiarity.
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