US Patent Issued to Apple on May 26 for "Higher order ambisonics encoding and decoding" (California Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,157, issued on May 26, was assigned to Apple Inc. (Cupertino, Calif.).

"Higher order ambisonics encoding and decoding" was invented by Moo Young Kim (San Diego), Sina Zamani (Cupertino, Calif.) and Dipanjan Sen (Dublin, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Encoding and decoding of higher order ambisonics, HOA, data for purposes of bitrate reduction. One aspect uses principal components analysis to produce spatial descriptors. Other aspects include various spatial descriptor quantization techniques."

The patent was filed on Aug. 13, 2021, under Application No. 18/246,030.

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