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    • 4. 发明申请
    • Sound collecting device, acoustic communication system, and computer-readable storage medium
    • 声音采集装置,声学通信系统和计算机可读存储介质
    • US20110069847A1
    • 2011-03-24
    • US12923210
    • 2010-09-09
    • Katsuyuki TakahashiMasashi Takada
    • Katsuyuki TakahashiMasashi Takada
    • H04R3/00
    • H04R3/005
    • There is provided a sound collecting device, including: an orientation direction forming section that forms an orientation direction of a microphone array; and a control section that, when a characteristic in a frequency band of a synthesized signal obtained by synthesizing the acoustic signals corresponds to a characteristic of an acoustic signal corresponding to a sound other than a target sound, controls the orientation direction forming section such that an orientation direction that is a direction that is different than an orientation direction of the microphone array at a present point in time is formed, and, when the characteristic in the frequency band of the synthesized signal does not correspond to a characteristic of an acoustic signal corresponding to a sound other than the target sound, controls the orientation direction forming section such that the orientation direction of the microphone array is maintained.
    • 提供了一种声音收集装置,包括:形成麦克风阵列的取向方向的取向方向形成部; 以及控制部,当通过合成声学信号而获得的合成信号的频带中的特性对应于与除了目标声音以外的声音相对应的声音信号的特性时,控制所述取向方向形成部,使得 形成与当前时间点上的麦克风阵列的取向方向不同的方向的方向方向,并且当合成信号的频带中的特性与对应的声信号的特性不对应时 控制除了目标声音之外的声音,控制朝向方向形成部分,使得维持麦克风阵列的取向方向。