Title:
SIGNAL PROCESSING METHOD, INFORMATION PROCESSING DEVICE, AND SIGNAL PROCESSING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2011/148861
Kind Code:
A1
Abstract:
In order to suppress both noise having an unknown characteristic and noise having a known characteristic, disclosed is an information processing device provided with a noise suppression means which suppresses noise included in an inputted deteriorated signal, said information processing device being characterized in that the noise suppression means includes a first output means which, in order to suppress known noise having a known property, outputs known noise information using prestored noise information, and a second output means which, in order to suppress unknown noise having an unknown property, estimates the unknown noise and outputs unknown noise information.
Inventors:
SUGIYAMA, Akihiko (7-1Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
杉山 昭彦 (〒01 東京都港区芝五丁目７番１号日本電気株式会社内 Tokyo, 〒1088001, JP)
杉山 昭彦 (〒01 東京都港区芝五丁目７番１号日本電気株式会社内 Tokyo, 〒1088001, JP)
Application Number:
JP2011/061598
Publication Date:
December 01, 2011
Filing Date:
May 13, 2011
Export Citation:
Assignee:
NEC CORPORATION (7-1Shiba 5-chome, Minato-ku Tokyo, 01, 〒1088001, JP)
日本電気株式会社 (〒01 東京都港区芝五丁目７番１号 Tokyo, 〒1088001, JP)
NEC Engineering, Ltd. (4-10-27 Higashi-shinagawa, Shinagawa-ku Tokyo, 02, 〒1400002, JP)
ＮＥＣエンジニアリング株式会社 (〒02 東京都品川区東品川四丁目１０番２７号 Tokyo, 〒1400002, JP)
日本電気株式会社 (〒01 東京都港区芝五丁目７番１号 Tokyo, 〒1088001, JP)
NEC Engineering, Ltd. (4-10-27 Higashi-shinagawa, Shinagawa-ku Tokyo, 02, 〒1400002, JP)
ＮＥＣエンジニアリング株式会社 (〒02 東京都品川区東品川四丁目１０番２７号 Tokyo, 〒1400002, JP)
International Classes:
G10L21/02
Attorney, Agent or Firm:
SHIMOSAKA, Naoki (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
Claims: