ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,084, issued on June 17, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Multi-channel signal encoding method and encoder" was invented by Zexin Liu (Shenzhen, China), Xingtao Zhang (Shenzhen, China), Haiting Li (Beijing) and Lei Miao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-channel signal encoding method includes obtaining a multi-channel signal of a current frame; determining an initial multi-channel parameter of the current frame; determining a difference parameter based on the initial multi-channel parameter of the current frame and multi-channel parameters of previous K frames of the current frame, where ...