Title:
【発明の名称】音声処理装置および方法
Document Type and Number:
Japanese Patent JP3229335
Kind Code:
B2
Abstract:
A speech processing apparatus which, in the process of performing echo canceling by using a pseudo acoustic echo signal, continuously uses an impulse response used for the previous frame as an impulse response to generate the pseudo acoustic echo signal when a voice is contained in the microphone input signal, and which uses a newly updated impulse response when a voice is not contained in the microphone input signal.
Inventors:
Makoto Shosakai
Tomohiro Tani
Tomohiro Tani
Application Number:
JP53837498A
Publication Date:
November 19, 2001
Filing Date:
March 05, 1998
Export Citation:
Assignee:
ASAHI KASEI KABUSHIKI KAISHA
International Classes:
G10L15/20; G10L21/02; H03H17/02; H04B3/23; H04M9/08; H04R3/00; H04R3/02; (IPC1-7): H04R3/02
Domestic Patent References:
| JP44619A | ||||
| JP4230798A | ||||
| JP10257583A | ||||
| JP4114198A |
Attorney, Agent or Firm:
Yoshikazu Tani