ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,681, issued on May 12, was assigned to GOERTEK TECHNOLOGY Co. LTD. (Qingdao, China).

"Audio processing method for noise-reduction earphone, noise-reduction earphone, device and readable storage medium" was invented by Kai Yu (Qingdao, China), Shanshan Jiao (Qingdao, China) and Yang Hua (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an audio processing method for a noise-reduction earphone, a noise-reduction earphone, a device and a readable storage medium. The audio processing method for a noise-reduction earphone includes: obtaining a first sound signal collected by a feedback microphone, and determining a first transfe...