ALEXANDRIA, Va., July 9 -- United States Patent no. 12,354,607, issued on July 8, was assigned to The Regents of The University of Michigan (Ann Arbor, Mich.).
"Secure automatic speaker verification system" was invented by Hafiz Malik (Ann Arbor, Mich.), Syed Irtaza (Ann Arbor, Mich.) and Muteb Aljasem (Dearborn, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Traditional speaker verification systems are vulnerable to voice spoofing attacks, such as voice-replay attack, voice-cloning attack, and cloned-replay attack. To overcome these vulnerabilities, a secure automatic speaker verification system based on a novel sign modified acoustic local ternary pattern (sm-ALTP) features and asymmetric bagging-bas...