US Patent Issued to Dolby Laboratories Licensing on Sept. 30 for "Systems and methods for covariance smoothing" (Australian Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,146, issued on Sept. 30, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).

"Systems and methods for covariance smoothing" was invented by David S. McGrath (Rose Bay, Australia), Stefanie Brown (Lewisham, Australia) and Juan Felix Torres (Redfern, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for improving signal processing by smoothing the covariance matrix of a multi-channel signal by setting a forgetting factor based on the bins of a band. A method and system for resetting the smoothing based on transient detection is also disclosed. A method and system for resampling for the smoothing during a ban...