US 11,670,279 B2
Method for reducing noise, storage medium, chip and electronic equipment
Zhangyi Yan, Guangdong (CN); Jinhong Lin, Guangdong (CN); and Zhen Wang, Guangdong (CN)
Assigned to Shenzhen Bluetrum Technology Co., Ltd., Shenzhen (CN)
Filed by Shenzhen Bluetrum Technology Co., Ltd., Guangdong (CN)
Filed on Aug. 23, 2022, as Appl. No. 17/893,220.
Claims priority of application No. 202110969638.6 (CN), filed on Aug. 23, 2021.
Prior Publication US 2023/0077311 A1, Mar. 9, 2023
Int. Cl. H04R 1/10 (2006.01); H04R 3/00 (2006.01); G10K 11/178 (2006.01)
CPC G10K 11/17854 (2018.01) [H04R 1/1083 (2013.01); H04R 3/005 (2013.01); H04R 2460/13 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method for reducing noise, comprising:
providing a current frame having air conduction parameters, bone conduction parameters and air conduction noise parameters;
obtaining a priori signal-to-noise ratio of air-bone integration, the priori signal-to-noise ratio of air-bone integration being obtained by integrating the air conduction parameters, the bone conduction parameters and the air conduction noise parameters;
calculating a noise reduction gain according to the priori signal-to-noise ratio of air-bone integration; and
performing noise reduction operation according to the noise reduction gain and the air conduction parameters of the current frame.