ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,591, issued on Sept. 8, was assigned to Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. (Munich).

"Apparatus and method for MDCT M/S stereo with global ILD with improved mid/side decision" was invented by Emmanuel Ravelli (Erlangen, Germany), Markus Schnell (Nuremberg, Germany), Stefan Doehla (Erlangen, Germany), Wolfgang Jaegers (Erlangen, Germany), Martin Dietz (Nuremberg, Germany), Christian Helmrich (Berlin), Goran Markovic (Nuremberg, Germany), Eleni Fotopoulou (Nuremberg, Germany), Markus Multrus (Nuremberg, Germany), Stefan Bayer (Nuremberg, Germany), Guillaume Fuchs (Bubenreuth, Germany) and Juergen Herre (Erlangen, Germany).

According to the abstrac...