ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,903, issued on Nov. 18, was assigned to FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (Munich).

"Audio encoder and bandwidth extension decoder" was invented by Frederik Nagel (Nuremberg, Germany), Sascha Disch (Fuerth, Germany), Guillaume Fuchs (Erlangen, Germany), Juergen Herre (Buckenhof, Germany) and Christian Griebel (Nuremberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An audio encoder for providing an output signal using an input audio signal includes a patch generator, a comparator and an output interface. The patch generator generates at least one bandwidth extension high-frequency signal, wherein a bandw...