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    • 2. 发明授权
    • Sound processing apparatus
    • 声音处理装置
    • US09106993B2
    • 2015-08-11
    • US13791015
    • 2013-03-08
    • Yamaha Corporation
    • Kazunobu KondoYu TakahashiYasuyuki Umeyama
    • H03G3/00H04R3/04H04S7/00
    • H04R3/04H04S7/302H04S7/305H04S7/40H04S2420/07
    • In a sound processing apparatus, a likelihood calculation unit calculates an in-region coefficient and an out-of-region coefficient indicating likelihood of generation of each frequency component of a sound signal inside and outside a target localization range, respectively, according to localization of each frequency component. A reverberation analysis unit calculates a reverberation index value according to the ratio of a reverberation component for each frequency component. A coefficient setting unit generates a process coefficient for suppressing or emphasizing a reverberation component generated inside or outside the target localization range, for each frequency component of the sound signal, on the basis of the in-region coefficient, the out-of-region coefficient and the reverberation index value. A signal processing unit applies the process coefficient of each frequency component to each frequency component of the sound signal.
    • 在声音处理装置中,似然度计算部根据目标定位范围内外的声音信号的各频率分量的各自的频率分量的区域系数和区域外系数,分别根据 每个频率分量。 混响分析单元根据每个频率分量的混响分量的比率来计算混响指数值。 系数设定单元根据区域内系数,区域外系数,区域内系数,区域内系数,区域内系数,区域系数等,生成用于抑制或强调针对声音信号的各频率成分的目标定位范围内或外的混响成分的处理系数 和混响指数值。 信号处理单元将每个频率分量的处理系数应用于声音信号的每个频率分量。