ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,831, issued on July 8, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).

"Techniques for signaling multiple audio mixing gains for teleconferencing and telepresence for remote terminals" was invented by Rohit Abhishek (San Jose, Calif.) and Iraj Sodagar (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and device for signaling multiple audio mixing gains in a teleconference using a single Real-time Transport Protocol (RTP) header extension is provided. The method includes receiving an input audio stream from a 360-degree video/audio stream that includes multiple mixing gains from the input audio stream and overlay audio stre...