US Patent Issued to CALLYOPE on Sept. 23 for "Computer-implemented method for determining a frequency content of an encrypted raw audio signal" (French Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,184, issued on Sept. 23, was assigned to CALLYOPE (Neuilly-sur-Seine, France).

"Computer-implemented method for determining a frequency content of an encrypted raw audio signal" was invented by Tu Duyen Nguyen (Neuilly-sur-Seine, France), Adrien Lesage (Neuilly-sur-Seine, France), Clotilde Cantini (Neuilly-sur-Seine, France) and Rachid Riad (Neuilly-sur-Seine, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for determining a frequency content of an encrypted raw audio signal obtained from a preliminary application of an encryption function E to a raw audio signal x, the method including: quantizing an encrypted r...