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Patent Searching and Data


Title:
適応フィルタを用いた信号処理装置
Document Type and Number:
Japanese Patent JP4928918
Kind Code:
B2
Abstract:

To provide a signal processing device capable of a reliable adaptive operation without a distortion in a target signal or adaptation to background noise.

The signal processing device has a first adaptive filter 1 and a second adaptive filter 2 having an adaptation rate higher than that of the first adaptive filter 1. Updating of the first adaptive filter 1 is controlled based on an output signal of the second adaptive filter 2.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
Hitoshi Nagata
Application Number:
JP2006319008A
Publication Date:
May 09, 2012
Filing Date:
November 27, 2006
Export Citation:
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Assignee:
Toshiba Corporation
International Classes:
H03H21/00; G10L21/0272
Domestic Patent References:
JP9018291A
JP4271622A
Attorney, Agent or Firm:
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto