ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,589, issued on Feb. 17, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).
"Spatial noise filling in multi-channel codec" was invented by Rishabh Tyagi (Sydney) and Michael Eckert (Ashfield, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments are disclosed for spatial noise filling in multi-channel codecs. In an embodiment, a method of regenerating background noise ambience in a multi-channel codec by generating spatial hole filling noise comprises: computing noise estimates based on a primary downmix channel generated from an input audio signal representing a spatial audio scene with background noise ambience; comp...