ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,037, issued on Sept. 22, was assigned to Xerox Corp. (Norwalk, Conn.).

"System and method for change point detection in multi-media multi-person interactions" was invented by Octavia Maria Sulea (San Francisco), Leora Morgenstern (Silver Spring, Md.), Viswanathan Babu Chidambaram Ayyappan (Brooklyn, N.Y.), Jiaying Shen (Los Altos, Calif.) and Gregory Michael Youngblood (Las Cruces, N.M.).

According to the abstract* released by the U.S. Patent & Trademark Office: "One embodiment can provide a method and a system for detecting change points within a conversation. During operation, the system can obtain a signal associated with the conversation and extract a one-dimensional (1D) fe...