Invention Grant
- Patent Title: Arrangements and methods for active noise cancelling
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Application No.: US15860546Application Date: 2018-01-02
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Publication No.: US10224018B2Publication Date: 2019-03-05
- Inventor: Genaro Woelfl , Matthias Kronlachner
- Applicant: Harman Becker Automotive Systems GmbH
- Applicant Address: DE Karlsbad
- Assignee: Harman Becker Automotive Systems GmbH
- Current Assignee: Harman Becker Automotive Systems GmbH
- Current Assignee Address: DE Karlsbad
- Agency: McCoy Russell LLP
- Priority: EP17150264 20170104
- Main IPC: G10K11/16
- IPC: G10K11/16 ; G10K11/178 ; H04R1/02 ; H04R5/033 ; H04S5/02 ; H04S7/00 ; H04R5/04 ; H04S3/00 ; H04R1/10 ; H04R3/02 ; G10K1/38 ; H04R5/02

Abstract:
A loudspeaker arrangement comprises a first loudspeaker configured to radiate an acoustical signal, and a first microphone that is acoustically coupled to the first loudspeaker via a secondary path and that is electrically coupled to the first loudspeaker via an active noise control processing unit. During the use of the loudspeaker arrangement, the first loudspeaker is arranged at a first distance from a first active noise control target position, wherein the first active noise control target position is a position at which noise is to be suppressed, and wherein the first distance is a length of the shortest path between the first loudspeaker and the first active noise control target position through free air. The first microphone is arranged at a second distance from the first loudspeaker that equals the first distance, and the position of the first microphone differs from the first active noise target position.
Public/Granted literature
- US20180190259A1 ARRANGEMENTS AND METHODS FOR ACTIVE NOISE CANCELLING Public/Granted day:2018-07-05
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