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:
Sep. 10, 2013
Filed:
Jul. 09, 2010
Robert Baüml, Eckental, DE;
Heinz Goeckler, Backnang, DE;
Thomas Kurbiel, Erkenschwik, DE;
Henning Puder, Erlangen, DE;
Wolfgang Sörgel, Erlangen, DE;
Robert Baüml, Eckental, DE;
Heinz Goeckler, Backnang, DE;
Thomas Kurbiel, Erkenschwik, DE;
Henning Puder, Erlangen, DE;
Wolfgang Sörgel, Erlangen, DE;
Siemens Medical Instruments Pte. Ltd., Singapore, SG;
Abstract
A filter bank configuration for a hearing device has filters in an analysis filter bank and corresponding filters in a synthesis filter bank that are coupled pair-wise to form a channel in each case. In order to compensate for a hearing loss, sub-band signals are amplified in the individual channels with the aid of multipliers. In the process, an audible distortion of an output signal Y of the filter bank configuration as a result of differences between amplification factors of the multipliers of neighboring channels should be prevented. Here, at least one channel changes a phase of a sub-band signal transmitted by the channel such that a difference between a group delay of the filter bank configuration and a prescribable reference value is reduced for at least one predetermined frequency. The filter bank configuration is particularly suited to hearing aids.