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. 13, 2010
Filed:
Jan. 31, 2007
Applicants:
Bernd Iser, Ulm, DE;
Gerhard Schmidt, Ulm, DE;
Inventors:
Bernd Iser, Ulm, DE;
Gerhard Schmidt, Ulm, DE;
Assignee:
Nuance Communications, Inc., Burlington, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 19/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system is provided for extending the spectral bandwidth of a bandwidth limited audio signal by applying a nonlinear function to the bandwidth limited speech signal to generate the low frequency audio signal components that were attenuated in the bandwidth limited audio signal.