Title:
入力標本列処理方法
Document Type and Number:
Japanese Patent JP3996213
Kind Code:
B2
Abstract:
A code excited linear predictive coder and decoder well suited to speech recording, transmission and reproduction, especially in voice messaging systems, provides backward adaptive gain control of stored codevectors to be applied to a synthesis filter prior to being compared with sequences of input speech signals. Simplified linear predictive parameter quantization using efficient table lookup procedures, efficient codevector storage and search all contribute in an illustrative embodiment to high quality coding and decoding with reduced computational complexity.
Inventors:
Juan-Fay Chen
Application Number:
JP15812993A
Publication Date:
October 24, 2007
Filing Date:
June 04, 1993
Export Citation:
Assignee:
AT&T CORP.
International Classes:
G10L19/04; G10L19/00; G10L19/08; G10L19/12; H03M1/12; G10L19/06
Domestic Patent References:
| JP458299A | ||||
| JP6444499A | ||||
| JP2231825A | ||||
| JP63137300A | ||||
| JP6440899A | ||||
| JP2272500A | ||||
| JP330000A | ||||
| JP473699A |
Attorney, Agent or Firm:
Masao Okabe
Nobuaki Kato
Kazuo
Shinichi Usui
Ikuo Fujino
Takao Ochi
Teruhisa Motomiya
Norimichi Takanashi
Asahi Shinmitsu
Seiichiro Takahashi
Koji Yoshizawa
Hirofumi Mimata
Nobuaki Kato
Kazuo
Shinichi Usui
Ikuo Fujino
Takao Ochi
Teruhisa Motomiya
Norimichi Takanashi
Asahi Shinmitsu
Seiichiro Takahashi
Koji Yoshizawa
Hirofumi Mimata