PROBLEM TO BE SOLVED: To provide a low-cost vocalization direction specification device for specifying a direction in which a user vocalizes.SOLUTION: A vocalization direction specification device 1 includes: a plurality of microphones 10 installed at a different position from each other in a car; a reference sound data storage section 20 for storing results of vocalization vocalized by a user seated on a prescribed seat obtained by the plurality of microphones 10 as reference sound data; an evaluation sound data storage section 30 for storing sound acquired thereafter in a car as evaluation sound data; and a direction operation section 40 for calculating a direction in which the user seated in the prescribed seat vocalized the acquired sound on the basis of the level of reference sound data representing magnitude of vocalization and level of reference sound data when the evaluation sound data is stored in the evaluation sound data storage section 30.SELECTED DRAWING: Figure 1
【課題】ユーザが音声を発した方向を特定する低コストな発声方向特定装置を提供する。【解決手段】発声方向特定装置1は、車内において互いに異なる位置に設けられた複数のマイク10と、所定の座席に座ったユーザから発せられた音声を複数のマイク10で取得した結果を基準とする基準音データとして記憶しておく基準音データ記憶部20と、車内で、その後に取得された音声を評価用音データとして記憶する評価用音データ記憶部30と、評価用音データが評価用音データ記憶部30に記憶された際に、音声の大きさを示す基準音データのレベルと評価用音データのレベルとに基づいて、所定の座席のユーザが取得された音声を発した方向を演算する方向演算部40と、を備える。【選択図】図1
VOCALIZATION DIRECTION SPECIFICATION DEVICE
発声方向特定装置
2017-03-02
Patent
Electronic Resource
Japanese
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