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    • 45. 发明专利
    • Scream detection device and scream detection method
    • JP5377167B2
    • 2013-12-25
    • JP2009203923
    • 2009-09-03
    • 株式会社レイトロン
    • 昇 早坂
    • G10L25/63G10L15/10G10L25/21G10L25/24
    • PROBLEM TO BE SOLVED: To provide a scream detector capable of improving accuracy of scream detection. SOLUTION: The scream detector 10 includes: a voice signal receiving section 11 for receiving input of a voice signal; a frame dividing section 12 for dividing the voice signal in which input is received from the voice signal receiving section 11; a power information obtaining section 13 for obtaining power information of the voice signal for each frame which is divided by the frame dividing section 12; a harmonic information obtaining section 14 for obtaining harmonic information of the voice signal for each frame which is divided by the frame dividing section 12; a base frequency obtaining section 15 for obtaining basic frequency information of the voice signal for each frame which is divided by the frame dividing section 12; and a scream determination section 16 for determining whether or not, input voice is scream, based on the results obtained by the power information section 13, a harmonic information obtaining section 14 and the basic frequency obtaining section 15. COPYRIGHT: (C)2011,JPO&INPIT