Title:
SOUND PROCESSING UNIT
Document Type and Number:
Japanese Patent JP2006087018
Kind Code:
A
Abstract:
To provide a sound processing unit improving articulation of any voice signals.
An analysis means 15 analyzes an input signal being input from an A/D converter 12, detects a bandwidth in which masking occurs between frequency components, from a frequency characteristic of the input signal. The pass bands of a low-pass filter 13 and a high-pass filter 14 are set so as to output a frequency band causing the masking and a masked frequency band, separately to a first voice output means 18 and a second voice output means 19.
Inventors:
MURASE ATSUNOBU
SAKAMOTO SHUICHI
SUZUKI YOICHI
KAWASE TETSUAKI
KOBAYASHI TOSHIMITSU
SAKAMOTO SHUICHI
SUZUKI YOICHI
KAWASE TETSUAKI
KOBAYASHI TOSHIMITSU
Application Number:
JP2004272159A
Publication Date:
March 30, 2006
Filing Date:
September 17, 2004
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
UNIV TOHOKU
UNIV TOHOKU
International Classes:
H04R25/00; G10L21/02; G10L25/00; G10L25/15; G10L25/93
Domestic Patent References:
| JPH10290497A | 1998-10-27 | |||
| JPH0736487A | 1995-02-07 | |||
| JP2003264892A | 2003-09-19 | |||
| JP2005268964A | 2005-09-29 |
Attorney, Agent or Firm:
Gunichiro Ariga