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:
Dec. 10, 2013
Filed:
May. 23, 2008
Xueman LI, Burnaby, CA;
Rajeev Nongpiur, Burnaby, CA;
Frank Linseisen, North Vancouver, CA;
Phillip A. Hetherington, Port Moody, CA;
Xueman Li, Burnaby, CA;
Rajeev Nongpiur, Burnaby, CA;
Frank Linseisen, North Vancouver, CA;
Phillip A. Hetherington, Port Moody, CA;
QNX Software Systems Limited, Kanata, Ontario, CA;
Abstract
A system improves speech intelligibility by reconstructing speech segments. The system includes a low-frequency reconstruction controller programmed to select a predetermined portion of a time domain signal. The low-frequency reconstruction controller substantially blocks signals above and below the selected predetermined portion. A harmonic generator generates low-frequency harmonics in the time domain that lie within a frequency range controlled by a background noise modeler. A gain controller adjusts the low-frequency harmonics to substantially match the signal strength to the time domain original input signal.