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    • 8. 发明公开
    • SOUND SOURCE DETECTION DEVICE
    • VORRICHTUNG ZUR ERKENNUNG VON KLANGQUELLEN
    • EP2759843A1
    • 2014-07-30
    • EP11855917.8
    • 2011-09-20
    • Toyota Jidosha Kabushiki Kaisha
    • SATO, JunFUNAYAMA, Ryuji
    • G01S3/808G01S3/86G10L21/02H04R1/40H04R3/00B60R21/00G08G1/16
    • G01V1/001G01S3/808G01S3/86G08G1/166H04R3/005H04R2201/401H04R2430/21H04R2499/13
    • Disclosed is a sound source detection device 1 which compares information of sound collected by sound collectors 13, 14, 15, and 16 to detect a predetermined sound source. The sound source detection device 1 includes a target determination unit 22 which arranges sound collectors at the same distance from a noise source inside a mobile object to determine a detection-target region of a sound source, and a sound source detection unit 25 which detects the direction of the predetermined sound source using information of sound of the detection-target region determined by the target determination unit 22. Accordingly, the sound source detection unit 25 does not determine sound input to the sound collectors 13, 14, 15, and 16 at the same timing as a detection target, making it possible to eliminate the influence of a noise source other than a sound source inside the mobile object in advance.
    • 公开了一种声源检测装置1,其对由收集器13,14,15和16收集的声音的信息进行比较,以检测预定声源。 声源检测装置1包括目标确定单元22,该目标确定单元22在与移动对象内的噪声源相同的距离处布置收集器,以确定声源的检测目标区域;以及声源检测单元25,其检测 使用由目标确定单元22确定的检测目标区域的声音的信息的预定声源的方向。因此,声源检测单元25不确定输入到收集器13,14,15和16的声音 与检测目标相同的定时,使得可以预先消除移动体内的声源以外的噪声源的影响。