ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,546, issued on May 19, was assigned to QUALCOMM Inc. (San Diego).
"Multimedia playback synchronization" was invented by Nan Zhang (Beijing), Yu Chen (Beijing) and Xia Zhao (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes one or more processors configured to obtain output delay data based on a transmission from an audio output device. The output delay data indicates a playback delay associated with audio output by the audio output device. The one or more processors are further configured to determine, based on the output delay data and host delay data, a synchronization delay to coordinate audio output by the audio output devi...