Yasuji Ohta

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Speech encoding method and apparatus using tree-structure delta cod...
- Patent number 5,864,650
- Issue date Jan 26, 1999
- Fujitsu Limited
- Tomohiko Taniguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech signal coding system wherein non-periodic component feedback...
- Patent number 5,828,811
- Issue date Oct 27, 1998
- Fujitsu, Limited
- Tomohiko Taniguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech coding system having codebook storing differential vectors b...
- Patent number 5,323,486
- Issue date Jun 21, 1994
- Fujitsu Limited
- Tomohiko Taniguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Gain-shape vector quantization method and apparatus
- Patent number 5,263,119
- Issue date Nov 16, 1993
- Fujitsu Limited
- Yoshinori Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Code excited linear prediction speech coding system
- Patent number 5,261,027
- Issue date Nov 9, 1993
- Fujitsu Limited
- Tomohiko Taniguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Pitch period searching method and circuit for speech codec
- Patent number 5,231,692
- Issue date Jul 27, 1993
- Fujitsu Limited
- Yoshinori Tanaka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech coding apparatus using multimode coding
- Patent number 5,224,167
- Issue date Jun 29, 1993
- Fujitsu Limited
- Tomohiko Taniguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech coding and decoding system
- Patent number 5,199,076
- Issue date Mar 30, 1993
- Fujitsu Limited
- Tomohiko Taniguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Vector quantization encoder and vector quantization decoder
- Patent number 5,151,968
- Issue date Sep 29, 1992
- Fujitsu Limited
- Yoshinori Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Speech encoding/decoding apparatus having selected encoders
- Patent number 5,115,469
- Issue date May 19, 1992
- Fujitsu Limited
- Tomohiko Taniguchi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Gain-shape vector quantization apparatus
- Patent number 5,086,471
- Issue date Feb 4, 1992
- Fujitsu Limited
- Yoshinori Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Voice coding apparatus
- Patent number 5,003,604
- Issue date Mar 26, 1991
- Fujitsu Limited
- Koji Okazaki
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Yasuji Ohta

Person

Patents Grantslast 30 patents

Speech encoding method and apparatus using tree-structure delta cod...

Speech signal coding system wherein non-periodic component feedback...

Speech coding system having codebook storing differential vectors b...

Gain-shape vector quantization method and apparatus

Code excited linear prediction speech coding system

Pitch period searching method and circuit for speech codec

Speech coding apparatus using multimode coding

Speech coding and decoding system

Vector quantization encoder and vector quantization decoder

Speech encoding/decoding apparatus having selected encoders

Gain-shape vector quantization apparatus

Voice coding apparatus