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. 28, 2014
Filed:
Oct. 13, 2011
Fabian Kuech, Erlangen, DE;
Markus Kallinger, Erlangen, DE;
Markus Schmidt, Erlangen, DE;
Meray Zourub, Erlangen, DE;
Marco Diatschuk, Weisendorf, DE;
Oliver Moser, Erlangen, DE;
Fabian Kuech, Erlangen, DE;
Markus Kallinger, Erlangen, DE;
Markus Schmidt, Erlangen, DE;
Meray Zourub, Erlangen, DE;
Marco Diatschuk, Weisendorf, DE;
Oliver Moser, Erlangen, DE;
Abstract
An acoustic echo suppression unit according to an embodiment of the present invention includes and input interface for extracting a downmix signal from an input signal, the input signal including the downmix signal and parametric side information, wherein the downmix and the parametric side information together represent a multichannel signal, a calculator for calculating filter coefficients for an adaptive filter, wherein the calculator is adapted to determine the filter coefficients based on the downmix signal and a microphone signal or a signal derived from the microphone signal, and an adaptive filter adapted to filter the microphone signal or the signal derived from the microphone signal based on the filter coefficients to suppress an echo caused by the multichannel signal in the microphone signal.