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:
Mar. 28, 2006
Filed:
Apr. 12, 2002
Applicants:
Markus Buck, Zwiefaltendorf, DE;
Tim Haulick, Blaustein, DE;
Klaus Linhard, Schelklingen, DE;
Inventors:
Assignee:
Harman Becker Automotive Systems GmbH, Karlsbad, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method with which speech is captured in a noisy environment with as high a speech quality as possible. To this end, a compact array of, for example, two single microphones is combined to form one system through signal processing methods consisting of adaptive beam formation and spectral subtraction. Through the combination with a spectral subtraction, the reference signal of the beam former is freed from speech signal components to the extent that a reference signal of the interference is formed and the beam former produces high gains.