ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,551, issued on Feb. 10, was assigned to Amazon Technologies Inc. (Seattle).

"Text-to-speech processing" was invented by Bastian Schnell (Berlin), Sri Vishnu Kumar Karlapati (Cambridge, Great Britain), Alexis Pierre Jean-Baptiste Moinet (Cambridge, Great Britain), Panagiota Karanasou (Cambridge, Great Britain), Thomas Renaud Drugman (Carnieres, Belgium), Syed Ammar Abbas (Cambridge, Great Britain) and Ewa Magdalena Muszynska (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A speech-processing system may be configured to generate expressive synthesized speech. The system may include a prosody prediction model that generates a c...