ALEXANDRIA, Va., Aug. 18 -- United States Patent no. RE51,004, issued on Aug. 18, was assigned to FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (Munich).
"Apparatus, method and computer program for upmixing a downmix audio signal" was invented by Matthias Neusinger (Rohr, Germany), Julien Robilliard (Nuremberg, Germany) and Johannes Hilpert (Nuremberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for upmixing a downmix audio signal describing one or more downmix audio channels into an upmixed audio signal describing a plurality of upmixed audio channels includes an upmixer configured to apply temporally variable upmixing parameters to upmix the downmix audio sig...