Sony ran audio fingerprinting on Udio's training data to identify 30,000+ allegedly infringing recordings

Sony Music used audio fingerprinting on Udio's training data obtained through discovery to identify over 30,000 allegedly infringing recordings, ranging from "Hound Dog" to "As It Was." The approach shifts infringement claims from output similarity to direct input provenance — a categorically stronger evidentiary posture in AI copyright litigation.