ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,417,773, issued on Sept. 16, was assigned to Apple Inc. (Cupertino, Calif.).
"Stereo-based immersive coding" was invented by Frank Baumgarte (Sunnyvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an audio codec that represents an immersive signal by a two-channel stereo signal that is a stereo rendering of the immersive signal and directional parameters. The directional parameters may be based on a perceptual model describing the direction of virtual speaker pairs to recreate the perceived location of dominant sounds. Audio processing at the decoder may be performed on the stereo signal in the frequency domain for multiple chann...