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:
Oct. 23, 2012
Filed:
Jun. 30, 2009
Applicant:
Trygve F. Marton, Oslo, NO;
Inventor:
Trygve F. Marton, Oslo, NO;
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for reducing keyboard noise in conferencing equipment which includes a microphone and a keyboard, the method including: providing, at a noise reduction apparatus, an audio signal originating from the microphone; detecting, at the noise reduction apparatus, an operation of the keyboard; providing, at the noise reduction apparatus, a pre-stored estimate of a keyboard audio noise resulting from the operation of the keyboard upon detection of the operation of the keyboard; and calculating, at the noise reduction apparatus, a noise reduced output signal based on the estimate of the keyboard audio noise and the audio signal.