ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,055, issued on May 27, was assigned to DOLBY LABORATORIES LICENSING Corp. (San Francisco).
"Methods and apparatus for compressing and decompressing a higher order ambisonics representation" was invented by Sven Kordon (Wunstorf, Germany) and Alexander Krueger (Burgdorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Higher Order Ambisonics represents three-dimensional sound independent of a specific loudspeaker set-up. However, transmission of an HOA representation results in a very high bit rate. Therefore, compression with a fixed number of channels is used, in which directional and ambient signal components are processed differently. The ...