AUDIO SIGNAL PROCESSING DEVICE
    1.
    发明公开
    AUDIO SIGNAL PROCESSING DEVICE 审中-公开
    VORRICHTUNG ZUR TONSIGNALVERARBEITUNG

    公开(公告)号:EP2451076A1

    公开(公告)日:2012-05-09

    申请号:EP10793767.4

    申请日:2010-05-17

    IPC分类号: H03G5/02 G10L21/02

    摘要: An audio signal processing device 100 includes a period detecting unit 102 for detecting the fundamental period of an input audio signal 101; a square wave generating unit 106 for generating, according to the fundamental period the period detecting unit 102 detects, a square wave 107 whose period is an integer multiple of the fundamental period; an amplitude correction coefficient generating unit 103 for calculating an amplitude correction coefficient 109 approximately equal and proportional to the intensity of the input audio signal 101; a first multiplier 108 for generating an amplitude-corrected square wave 110 by multiplying the square wave 107 by the amplitude correction coefficient 109; and an adder 104 for adding the amplitude-corrected square wave 110 to the input audio signal 101.

    摘要翻译: 音频信号处理装置100包括用于检测输入音频信号101的基本周期的周期检测单元102; 方波生成单元106,根据周期检测单元102检测的基本周期,生成周期为基本周期的整数倍的方波107; 幅度校正系数生成单元103,用于计算与输入音频信号101的强度近似等于并成比例的幅度校正系数109; 用于通过将方波107乘以振幅校正系数109来产生振幅校正的方波110的第一乘法器108; 以及用于将幅度校正的方波110与输入音频信号101相加的加法器104。

    AUDIO SIGNAL PROCESSING DEVICE
    2.
    发明授权

    公开(公告)号:EP2451076B1

    公开(公告)日:2018-10-03

    申请号:EP10793767.4

    申请日:2010-05-17

    IPC分类号: G10L21/038 G10H1/00

    摘要: An audio signal processing device 100 includes a period detecting unit 102 for detecting the fundamental period of an input audio signal 101; a square wave generating unit 106 for generating, according to the fundamental period the period detecting unit 102 detects, a square wave 107 whose period is an integer multiple of the fundamental period; an amplitude correction coefficient generating unit 103 for calculating an amplitude correction coefficient 109 approximately equal and proportional to the intensity of the input audio signal 101; a first multiplier 108 for generating an amplitude-corrected square wave 110 by multiplying the square wave 107 by the amplitude correction coefficient 109; and an adder 104 for adding the amplitude-corrected square wave 110 to the input audio signal 101.