ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,236,932, issued on Feb. 25, was assigned to Sonos Inc. (Goleta, Calif.).
"Multi-channel acoustic echo cancellation" was invented by Saeed Bagheri Sereshki (Goleta, Calif.) and Romi Kadri (Santa Barbara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A playback device is configured to: produce a first channel audio output of a first channel of audio content; produce a second channel audio output of a second channel of the audio content; receive captured audio content comprising (i) a first portion corresponding to the first channel audio output, (ii) a second portion corresponding to the second channel audio output, and (iii) a third portion corre...