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:
Jul. 09, 2002
Filed:
Aug. 14, 1996
Applicant:
Inventors:
Vishu R. Viswanathan, Plano, TX (US);
Wai-Ming Lai, Dallas, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10L 1/900 ;
U.S. Cl.
CPC ...
G10L 1/900 ;
Abstract
An improvement in the synthesis of high-pitched voices and sounds is provided by downshifting the pitch of the original input voice or sound before LPC analysis This downshifting of the pitch is provided by upsampling low pass filtering , downsampling and performing time scale modification