実走行車内音声対話コーパスの設計と特徴

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  • ジツ ソウコウ シャナイ オンセイ タイワ コーパス ノ セッケイ ト トクチョウ
  • Design and Characterization of In-Car Speech Corpus

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Abstract

This paper describes the design and the characterization of the in-car speech corpus which CIAIR at Nagoya University has been collecting. The investigation of 126 spoken dialogues has indicated the following characteristic features: (1) The speed of the driver's speech is 5 ～ 7 (mora/sec), more slowly than that of the usual conversational speech, (2) The occurrence of fillers is, less than that of the spontaneous speech, in a ratio of 0.33 to a speech unit, (3) The speech speed and the filler occurrence have little difference between the speech in a moving car and that in a stopped one, and (4) The interjectional expressions and the pauses occur more frequently in the driver's speech in a moving car environment.

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