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US09036829B2 Adaptive notch filter with variable bandwidth, and method and apparatus for canceling howling by using the adaptive notch filter with variable bandwidth 有权
具有可变带宽的自适应陷波滤波器，以及通过使用具有可变带宽的自适应陷波滤波器来消除啸声的方法和装置

  • Patent Title: Adaptive notch filter with variable bandwidth, and method and apparatus for canceling howling by using the adaptive notch filter with variable bandwidth
  • Patent Title (中): 具有可变带宽的自适应陷波滤波器，以及通过使用具有可变带宽的自适应陷波滤波器来消除啸声的方法和装置
  • Application No.: US13027833
    Application Date: 2011-02-15
  • Publication No.: US09036829B2
    Publication Date: 2015-05-19
  • Inventor: Jun-ho Lee
  • Applicant: Jun-ho Lee
  • Applicant Address: KR Suwon-si
  • Assignee: SAMSUNG ELECTRONICS CO., LTD.
  • Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
  • Current Assignee Address: KR Suwon-si
  • Agency: Sughrue Mion, PLLC
  • Priority: KR10-2010-0020064 20100305
  • Main IPC: H04B15/00
  • IPC: H04B15/00 ;  H04B3/20 ;  H04R3/02
Adaptive notch filter with variable bandwidth, and method and apparatus for canceling howling by using the adaptive notch filter with variable bandwidth
Abstract:
A variable-bandwidth adaptive notch filter which cancels howling from an input signal with a bandwidth varying according to a howling frequency to generate an output signal.
Abstract(Chinese):

一种可变带宽自适应陷波滤波器，其从输入信号中消除啁啾声，带宽根据啸叫频率而变化，以产生输出信号。

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