US 12,094,444 B2
Earphones
Jinbo Zheng, Shenzhen (CN); Chengqian Zhang, Shenzhen (CN); Le Xiao, Shenzhen (CN); Fengyun Liao, Shenzhen (CN); and Xin Qi, Shenzhen (CN)
Assigned to SHENZHEN SHOKZ CO., LTD., Shenzhen (CN)
Filed by SHENZHEN SHOKZ CO., LTD., Guangdong (CN)
Filed on Oct. 18, 2022, as Appl. No. 18/047,639.
Application 18/047,639 is a continuation of application No. PCT/CN2021/131927, filed on Nov. 19, 2021.
Claims priority of application No. PCT/CN2021/089670 (WO), filed on Apr. 25, 2021; application No. PCT/CN2021/091652 (WO), filed on Apr. 30, 2021; and application No. PCT/CN2021/109154 (WO), filed on Jul. 29, 2021.
Prior Publication US 2023/0063283 A1, Mar. 2, 2023
Int. Cl. H04R 1/10 (2006.01); G10K 11/178 (2006.01); H04R 1/40 (2006.01); H04R 3/00 (2006.01)
CPC G10K 11/17823 (2018.01) [G10K 11/17873 (2018.01); H04R 1/1008 (2013.01); H04R 1/105 (2013.01); H04R 1/1066 (2013.01); H04R 1/406 (2013.01); H04R 3/005 (2013.01); G10K 2210/1081 (2013.01); G10K 2210/3023 (2013.01); G10K 2210/3056 (2013.01); H04R 2460/09 (2013.01); H04R 2460/11 (2013.01); H04R 2460/13 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An earphone, comprising:
a fixing structure configured to fix the earphone near a user's ear without blocking the user's ear canal and including a hook-shaped component and a body part, wherein when the user wears the earphone, the hook-shaped component is hung between a first side of the ear and a head of the user, and the body part contacts a second side of the ear;
a first microphone array located in the body part and configured to pick up environmental noise;
a processor located in the hook-shaped component or the body part and configured to:
estimate a sound field at a target spatial position using the first microphone array, the target spatial position being closer to the user's ear canal than any microphone in the first microphone array, and
generate, based on the estimated sound field at the target spatial position, a noise reduction signal; and
a speaker located in the body part and configured to output a target signal according to the noise reduction signal, the target signal being transmitted to outside of the earphone through a sound outlet hole for reducing the environmental noise.