ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,429, issued on April 7, was assigned to DOLBY INTERNATIONAL AB (Dublin).
"Packet loss concealment" was invented by Harald Mundt (Furth, Germany), Stefan Bruhn (Sollentuna, Sweden), Heiko Purnhagen (Sundbyberg, Sweden), Simon Plain (Nuremberg, Germany) and Michael Schug (Erlangen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described are methods of processing an audio signal for packet loss concealment. The audio signal comprises a sequence of frames, each frame containing representations of a plurality of audio channels and reconstruction parameters for upmixing the plurality of audio channels to a predetermined channel format. One method...