Patent Inventor: Yumi Takizawa

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Code-division multiple-access system with improved utilization of upstream and downstream channels
Inventor: Fukasawa, et al. | Patent Number: 5533012

Speech recognition apparatus
Inventor: Takizawa | Patent Number: 5526466

Speech recognizing apparatus using the predicted duration of syllables
Inventor: Takizawa | Patent Number: 5444817

Lombard effect compensation using a frequency shift
Inventor: Takizawa, et al. | Patent Number: 5361324

Multi-stage linear predictive analysis method for feature extraction from acoustic signals
Inventor: Tokuda, et al. | Patent Number: 5243686

Multi-stage linear predictive analysis circuit
Inventor: Tokuda, et al. | Patent Number: 5142581

Pattern matching system
Inventor: Takizawa, et al. | Patent Number: 4916743

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