音声分析を用いた自転車シミュレータ運転時の疲労測定法の基礎的検討

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  • Fundamental Study on Fatigue Measurement while Riding on Bicycle Simulator from Speech Analysis
  • オンセイ ブンセキ オ モチイタ ジテンシャ シミュレータ ウンテンジ ノ ヒロウ ソクテイホウ ノ キソテキ ケントウ

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We propose a method that uses speech analysis to measure speaker fatigue to develop general-purpose fatigue measurement system. Our proposed method uses the following fatigue measurement indexes: fundamental frequency(F0), average speech power, and speech period. We call these ‘speech fatigue measurement indexes'. To show the effectiveness of our proposed method, performed three experiments where subjects rode on a bicycle simulator.  From our experiment results, we obtained significant results of a CVa-a variation coefficient (acceleration plethysmogram) and our proposed speech fatigue measurement indexes. However, since we failed to obtain significant results by another conventional method, we conclude that our proposed method effectively measures speaker fatigue better than a conventional method.

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