US Patent Issued to Dolby Laboratories Licensing on May 27 for "Multichannel audio encode and decode using directional metadata" (Australian Inventor)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,523, issued on May 27, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).

"Multichannel audio encode and decode using directional metadata" was invented by David McGrath (Rose Bay, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Spatial audio signals are processed to generate a compressed representation of the spatial audio signal. Methods include analyzing the spatial audio signal to determine directions of arrival for one or more audio elements; for at least one frequency subband, determining respective indications of signal power associated with the directions of arrival; generating metadata including direction informati...