Title:
固定音源ベクトル生成装置及び音声符号化/復号化装置
Document Type and Number:
Japanese Patent JP3576485
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To deal with a low bit rate while assuring the number of pieces of sound source pulses. SOLUTION: The fixed sound source code book 207 includes a first sound source code book 401 which is relatively high in time resolution to partially express sound source vectors and a second sound source code book 402 which is relatively low in time resolution to express the entire part of the sound source vectors.
Inventors:
Hiroyuki Ehara
Kazutoshi Yasunaga
Kazunori Mano
Kazutoshi Yasunaga
Kazunori Mano
Application Number:
JP2000366141A
Publication Date:
October 13, 2004
Filing Date:
November 30, 2000
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
Nippon Telegraph and Telephone Corporation
Nippon Telegraph and Telephone Corporation
International Classes:
G10L19/038; G10L19/107; G10L19/12; H03M7/30; (IPC1-7): G10L19/12; H03M7/30
Domestic Patent References:
| JP11237899A | ||||
| JP11296195A | ||||
| JP10078799A |
Attorney, Agent or Firm:
Koichi Washida