Title:
【発明の名称】音声信号処理装置
Document Type and Number:
Japanese Patent JP3106543
Kind Code:
B2
Abstract:
PURPOSE:To suppress the background noise of a voice section and to cut the noise of a silent section. CONSTITUTION:The voice signal input contg. the noise is subjected to band division by a band dividing means 105. A voice discrimination signal is obtd. by a cepstrum analyzing means 111 from the signal subjected to the band division and is inputted to a noise predicting means 102 to make a contribution to the noise cancelation in a canceling means 103. This voice discrimination signal is inputted to a voice segmenting means 104 to segment the voice part.
Inventors:
Joji Kane
Akira Nohara
Akira Nohara
Application Number:
JP11727691A
Publication Date:
November 06, 2000
Filing Date:
May 22, 1991
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G10L15/20; G10L15/02; G10L15/04; G10L17/00; G10L19/02; G10L21/0208; G10L21/0232; G10L25/00; G10L25/24; G10L25/78; (IPC1-7): G10L11/00; G10L11/02; G10L15/02; G10L15/04; G10L15/20; G10L21/02
Domestic Patent References:
| JP61292699A | ||||
| JP59165098A | ||||
| JP57161800A | ||||
| JP4230799A | ||||
| JP3235999A | ||||
| JP316038B2 |
Other References:
日本音響学会昭和６０年度秋季研究発表会講演論文集▲Ｉ▼，１−４−１，神谷伸外，「音声通過フィルタ」，ｐ．１−２（昭和６０年９月３０日発行）
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)