Title:
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2012/070668
Kind Code:
A1
Abstract:
The purpose of the present invention is to achieve a high-quality signal processing performance. A signal processing device provided with a suppression means for suppressing a second signal by processing a mixed signal in which a first signal and the second signal are present. Said signal processing device is provided with an analysis means for analyzing, per frequency component, the importance of the first signal contained in the mixed signal, and an inhibition means for inhibiting the suppression of the second signal of a frequency component having a high importance over a frequency component having a low importance on the basis of the analysis result of the analysis means.
Inventors:
SUGIYAMA AKIHIKO (JP)
Application Number:
PCT/JP2011/077283
Publication Date:
May 31, 2012
Filing Date:
November 21, 2011
Export Citation:
Assignee:
NEC CORP (JP)
SUGIYAMA AKIHIKO (JP)
SUGIYAMA AKIHIKO (JP)
International Classes:
G10L21/02; G10L21/0208
Foreign References:
| JPH0916194A | 1997-01-17 | |||
| JP2002204175A | 2002-07-19 | |||
| JPH04227338A | 1992-08-17 | |||
| JP2001513916A | 2001-09-04 |
Attorney, Agent or Firm:
SHIMOSAKA, NAOKI (JP)
Naoki Shimosaka (JP)
Naoki Shimosaka (JP)
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Claims: