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:
Nov. 11, 2008
Filed:
Aug. 27, 2003
Applicants:
Yifan Gong, Plano, TX (US);
Alexis P. Bernard, Dallas, TX (US);
Inventors:
Yifan Gong, Plano, TX (US);
Alexis P. Bernard, Dallas, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G10L 15/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and detector for providing a noise resistant utterance detector is provided by extracting a noise estimate () to augment the signal-to-noise ratio of the speech signal, inverse filtering () of the speech signal to focus on the periodic excitation part of the signal and spectral reshaping () to accentuate separation between formants.