Title:
VOICE ENCODING METHOD
Document Type and Number:
WIPO Patent Application WO/1998/037636
Kind Code:
A1
Abstract:
The difference d�n? between an input signal x�n? and a predicted value y�n? is adaptively quantized and encoded. The adaptive quantization is performed so that the reverse quantization value q�n? of a code L�n? for a section where the absolute value of the difference d�n? is small may be approximately zero.
Inventors:
INOUE TAKEO (JP)
Application Number:
PCT/JP1998/000674
Publication Date:
August 27, 1998
Filing Date:
February 18, 1998
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
INOUE TAKEO (JP)
INOUE TAKEO (JP)
International Classes:
H03M7/38; G10L19/00; G10L19/038; G10L19/04; H03M3/02; (IPC1-7): H03M7/38
Foreign References:
| JPS6410742A | 1989-01-13 | |||
| JPS62194742A | 1987-08-27 | |||
| JPS6359024A | 1988-03-14 | |||
| JPS62213321A | 1987-09-19 | |||
| JPH03177114A | 1991-08-01 | |||
| JPH04189032A | 1992-07-07 |
Attorney, Agent or Firm:
Kayama, Hideyuki (18-27 Higashinakajima 1-chome, Higashiyodogawa-k, Osaka-shi Osaka, JP)
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