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Patent Searching and Data


Title:
METHODS AND SYSTEMS FOR OPERATING A SIGNAL FILTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/076328
Kind Code:
A1
Abstract:
A method and system for operating a signal filter device are provided in the present disclosure. The signal filter device may include M adaptive filters, M first analysis filters, M second analysis filters, and a controller. M may be an integer above two. The method may include generating, by the M first analysis filters, M first sub-band signals based on an input signal. The method may also include generating, by the M second analysis filters, M second sub-band signals based on a reference signal. The method may further include adjusting, by the controller, the working states of the M adaptive filters based on correlations between the M first sub-band signals and the M second sub-band signals.

Inventors:
SUN, Zhiyong (No. 1187 Binan Road, Binjiang DistrictHangzhou, Zhejiang 3, 310053, CN)
CHEN, Qi (No. 1187 Binan Road, Binjiang DistrictHangzhou, Zhejiang 3, 310053, CN)
FANG, Wei (No. 1187 Binan Road, Binjiang DistrictHangzhou, Zhejiang 3, 310053, CN)
Application Number:
CN2018/110759
Publication Date:
April 25, 2019
Filing Date:
October 18, 2018
Export Citation:
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Assignee:
ZHEJIANG DAHUA TECHNOLOGY CO., LTD. (No. 1187 Binan Road, Binjiang DistrictHangzhou, Zhejiang 3, 310053, CN)
International Classes:
H04M9/08
Foreign References:
CN107888792A2018-04-06
CN1668058A2005-09-14
CN1551511A2004-12-01
CN106210368A2016-12-07
CN105957520A2016-09-21
CN102185991A2011-09-14
US20160309042A12016-10-20
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (Room 808, 8th Floor Building B7, Block D, Tianfu Jingrong Center, No. 99 West Section Of Hupan Road, Tianfu New Distric, Chengdu Sichuan 3, 610213, CN)
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