ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,412, issued on April 7, was assigned to HONOR DEVICE Co. LTD. (Shenzhen, China).
"Sound signal processing method and headset device" was invented by Lu Guo (Shenzhen, China) and Jun Wang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sound signal processing method and a headset device. A target filter and a first audio processing unit are added. The target filter processes an external sound signal collected by an external microphone, to obtain an environmental sound attenuation signal and a voice attenuation signal. The first audio processing unit removes, based on the environmental sound attenuation signal and the voice attenuati...