ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,142, issued on Feb. 3, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).

"System and method for enhancement of a degraded audio signal" was invented by Jia Dai (Beijing), Kai Li (Beijing) and Richard J. Cartwright (Killara, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the field of audio enhancement, and in particular to methods, devices and software for supervised training of a machine learning model, MLM, the MLM trained to enhance a degraded audio signal by calculating gains to be applied to frequency bands of the degraded audio signal. The present disclosure further relates to methods...