ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,345, issued on July 29, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Stereo signal encoding method and apparatus using a residual signal encoding parameter" was invented by Bin Wang (Shenzhen, China), Zexin Liu (Shenzhen, China) and Haiting Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stereo signal encoding method includes: obtaining a residual signal encoding parameter of a current frame of a stereo signal based on downmixed signal energy and residual signal energy of each of M sub-bands of the current frame, where the residual signal encoding parameter indicates whether to encode residual signals of the M sub-b...