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    • 3. 发明申请
    • SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD
    • 信号处理装置和信号处理方法
    • US20120230514A1
    • 2012-09-13
    • US13369658
    • 2012-02-09
    • Michiaki YONEDA
    • Michiaki YONEDA
    • H04R3/00
    • H04R3/04H04R3/002H04R29/001
    • A signal processing device includes: a detection unit generating a digital detection signal corresponding to motion of a diaphragm of a speaker to output the digital detection signal; a gain adjustment unit generating a digital feedback signal by multiplying the outputted digital detection signal by again coefficient to output the generated digital feedback signal; a combining unit combining the outputted digital feedback signal with a digital audio signal; a storage unit storing plural gain coefficients; and a control unit performing control so that a given gain coefficient is selected from the plural gain coefficients and that the selected gain coefficient is used for the multiplication.
    • 信号处理装置包括:检测单元,产生与扬声器的振动板的运动对应的数字检测信号,以输出数字检测信号; 增益调整单元,通过将输出的数字检测信号乘以再次系数来产生数字反馈信号,以输出所生成的数字反馈信号; 组合单元,将输出的数字反馈信号与数字音频信号组合; 存储单元,存储多个增益系数; 以及控制单元执行控制,使得从多个增益系数中选择给定的增益系数,并且所选择的增益系数用于乘法。