ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,036, issued on May 20, was assigned to Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. (Munich) and Dolby International AB (Amsterdam Zuid-Oost, Netherlands).
"Apparatus and method for processing an input audio signal using cascaded filterbanks" was invented by Lars Villemoes (Jaerfaella, Sweden), Per Ekstrand (Saltsjoebaden, Sweden), Sascha Disch (Fuerth, Germany), Frederik Nagel (Nuremberg, Germany) and Stephan Wilde (Wendelstein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for processing an input audio signal relies on a cascade of filterbanks, the cascade having a synthesis filterbank for synthesizin...