ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,781, issued on Nov. 11, was assigned to Mitsubishi Electric Research Laboratories Inc. (Cambridge, Mass.).

"System and method for unsupervised anomalous sound detection" was invented by Gordon Wichern (Cambridge, Mass.), Satvik Venkatesh (Cambridge, Mass.), Aswin Shanmugam Subramanian (Cambridge, Mass.) and Jonathan Le Roux (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and a method for detecting anomalous sound are disclosed. The method includes receiving an audio signal from a sound source in a recording environment. The sound source and the recording environment are characterized by a set of attributes including a first...