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.:

US 7680653 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2010

Filed:

Jul. 02, 2007
Applicant:

Suat Yeldener, Palatine, IL (US);

Inventor:

Suat Yeldener, Palatine, IL (US);

Assignee:

Comsat Corporation, Bethesda, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus to reduce background noise in speech signals in order to improve the quality and intelligibility of processed speech. In mobile communications environment, speech signals are degraded by additive random noise. A randomness of the noise, which is often described in terms of its first and second order statistics, make it difficult to remove much of the noise without introducing background artifacts. This is particularly true for lower signal to background noise ratios. The method and apparatus provides noise reduction without any knowledge of the signal to background noise ratio.


Find Patent Forward Citations

Yeldener, Suat. (2010). Background noise reduction in sinusoidal based speech coding systems (U.S. Patent No. 7680653). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7680653

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