	US 12,154,540 B2
	Apparatus and method for cancelling noise in vehicle
Yong Sik Cho, Anyang-si (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Sep. 1, 2022, as Appl. No. 17/929,112.
Claims priority of application No. 10-2021-0121956 (KR), filed on Sep. 13, 2021.
Prior Publication US 2023/0085229 A1, Mar. 16, 2023
Int. Cl. G10K 11/16 (2006.01); G10K 11/178 (2006.01); H04B 1/00 (2006.01)

CPC G10K 11/17881 (2018.01) [G10K 11/17883 (2018.01)]

20 Claims

1. A method for canceling noise in a vehicle, the method comprising:

receiving external noise information acquired through a first microphone of an earphone;

receiving internal noise information acquired through a second microphone of the earphone;

generating a compensating signal based on the noise information; and

outputting the compensating signal through the earphone and an internal speaker of the vehicle; and

wherein generating the compensating signal includes:

generating a first offset compensating signal based on amplitude information included in the internal noise information is equal to or greater than a preset threshold value; and

synthesizing the first offset compensating signal with the compensating signal.