The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 1998
Filed:
Oct. 24, 1995
Applicant:
Inventors:
Satoshi Takahashi, Yokohama, JP;
Shigeki Sagayama, Hoya, JP;
Assignee:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L / ;
U.S. Cl.
CPC ...
704256 ; 704240 ;
Abstract
One-dimensional normal distributions in respective dimensions of a continuous multi-dimensional normal distribution of each state of HMMs representing speech units mean and variance values are tied among similar one-dimensional distributions. As a result, the total number of normal distributions for representing the model is reduced without degrading recognition performance.