ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,339, issued on March 11, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Signal processing method and device" was invented by Bin Wang (Shenzhen, China), Lei Miao (Beijing) and Zexin Liu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A signal processing method and device includes obtaining spectral coefficients of a current frame of an audio signal, in which N sub-bands of the current frame comprises at least one of the spectral coefficients. A total energy of M successive sub-bands of the N sub-bands, a total energy of K successive sub-bands of the N sub-bands, and an energy of a first sub-band are obtained to determine ...