ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,915, issued on Dec. 9, was assigned to Waymo LLC (Mountain View, Calif.).

"Autonomous vehicle driving path selection in the presence of emergency vehicle sounds" was invented by Aishwarya Parasuram (Sunnyvale, Calif.), Xin Liu (Mountain View, Calif.), Jennifer C. Taylor (Palo Alto, Calif.), Samuel Liu (Mountain View, Calif.), Nayun Xu (Mountain View, Calif.), Brandon Luders (Sunnyvale, Calif.) and Enrique Fernandez Gonzalez (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "The described aspects and implementations support sound-based emergency vehicle detection, localization, and tracking for autonomous vehicle and driver-assist systems. ...