US Patent Issued to DOLBY LABORATORIES LICENSING on Feb. 17 for "Machine learning assisted spatial noise estimation and suppression" (Australian Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,591, issued on Feb. 17, was assigned to DOLBY LABORATORIES LICENSING Corp. (San Francisco).

"Machine learning assisted spatial noise estimation and suppression" was invented by Richard J. Cartwright (Killara, Australia) and Ning Wang (Epping, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment, a method comprises: receiving bands of power spectra of an input audio signal and a microphone covariance, and for each band: estimating, using a classifier, respective probabilities of speech and noise; estimating, using a directionality model, a set of means for speech and noise, or a set of means and covariances for speech and noise, ...