ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,478, issued on Oct. 28, was assigned to Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V. (Munich).

"Apparatus, method or computer program for generating an output downmix representation" was invented by Franz Reutelhuber (Erlangen, Germany), Eleni Fotopoulou (Erlangen, Germany) and Markus Multrus (Erlangen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for generating an output downmix representation from an input downmix representation, wherein at least a portion of the input downmix representation is in accordance with a first downmixing scheme, includes: an upmixer for upmixing at least the portion of the ...