ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,236,951, issued on Feb. 25, was assigned to GOOGLE LLC (Mountain View, Calif.).
"Using structured audio output to detect playback and/or to adapt to misaligned playback in wireless speakers" was invented by Nathaniel Nesiba (Mountain View, Calif.) and Xiang Cao (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Implementations are directed to determining an audio delay, of a computing device, by causing an audio data stream to be transmitted to the computing device via a wireless communication channel. The computing device causes audio output generated using the audio data stream to be rendered via speaker(s). The rendered audio outpu...