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:
May. 25, 2021
Filed:
Jun. 17, 2019
Bose Corporation, Framingham, MA (US);
Cristian M. Hera, Lancaster, MA (US);
Elie Bou Daher, Marlborough, MA (US);
Jeffery R. Vautin, Worcester, MA (US);
Vigneish Kathavarayan, Marlborough, MA (US);
Ankita D. Jain, Westborough, MA (US);
Tobe Z. Barksdale, Bolton, MA (US);
Bose Corporation, Framingham, MA (US);
Abstract
An audio system includes: a head unit comprising at least a first processor, the head unit being configured to generate a plurality of program content signals, one of the plurality of program content signals being a phone program content signal being received from a phone, wherein the plurality of program content signals are transduced by an acoustic transducer into an acoustic signal within a vehicle cabin; a microphone disposed within the vehicle cabin such that the microphone receives the acoustic signal and produces a microphone signal comprising a plurality of echo signals; and a multichannel echo-cancellation unit being implemented by a second processor, the multichannel echo-cancellation unit being configured to receive a plurality of reference signals and to minimize the plurality of echo signals, according to the plurality of reference signals, to produce an estimated voice signal, and to provide the estimated voice signal to the head unit.