Yoshiaki Asakawa

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for coding/decoding, coding/decoding device, and videoconfer...
- Patent number 5,983,172
- Issue date Nov 9, 1999
- Hitachi, Ltd.
- Makoto Takashima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio signal coding/decoding method
- Patent number 5,956,686
- Issue date Sep 21, 1999
- Hitachi, Ltd.
- Makoto Takashima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Soft decision maximum likelihood decoding method with adaptive metric
- Patent number 5,566,191
- Issue date Oct 15, 1996
- Hitachi, Ltd.
- Makoto Ohnishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vector quantizing apparatus and speech analysis-synthesis system us...
- Patent number 5,384,891
- Issue date Jan 24, 1995
- Hitachi, Ltd.
- Yoshiaki Asakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Speech coding and decoding system with background sound reproducing...
- Patent number 5,142,582
- Issue date Aug 25, 1992
- Hitachi, Ltd.
- Yoshiaki Asakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech coding system using excitation pulse train
- Patent number 5,119,424
- Issue date Jun 2, 1992
- Hitachi, Ltd.
- Yoshiaki Asakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and system for voice coding based on vector quantization
- Patent number 5,077,798
- Issue date Dec 31, 1991
- Hitachi, Ltd.
- Akira Ichikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Speech coding system and method
- Patent number 5,060,268
- Issue date Oct 22, 1991
- Hitachi, Ltd.
- Yoshiaki Asakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
High efficiency voice coding system
- Patent number 4,985,923
- Issue date Jan 15, 1991
- Hitachi, Ltd.
- Akira Ichikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Character voice communication system
- Patent number 4,975,957
- Issue date Dec 4, 1990
- Hitachi, Ltd.
- Akira Ichikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech analysis-synthesis apparatus and method
- Patent number 4,776,015
- Issue date Oct 4, 1988
- Hitachi, Ltd.
- Shoichi Takeda
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech recognition method
- Patent number 4,718,095
- Issue date Jan 5, 1988
- Hitachi, Ltd.
- Yoshiaki Asakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Continuous speech recognition method
- Patent number 4,528,688
- Issue date Jul 9, 1985
- Hitachi, Ltd.
- Akira Ichikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Yoshiaki Asakawa

Person

Patents Grantslast 30 patents

Method for coding/decoding, coding/decoding device, and videoconfer...

Audio signal coding/decoding method

Soft decision maximum likelihood decoding method with adaptive metric

Vector quantizing apparatus and speech analysis-synthesis system us...

Speech coding and decoding system with background sound reproducing...

Speech coding system using excitation pulse train

Method and system for voice coding based on vector quantization

Speech coding system and method

High efficiency voice coding system

Character voice communication system

Speech analysis-synthesis apparatus and method

Speech recognition method

Continuous speech recognition method