US Patent Issued to DOLBY INTERNATIONAL on March 4 for "Reconstruction of audio scenes from a downmix" (Swedish, Finnish Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,542, issued on March 4, was assigned to DOLBY INTERNATIONAL AB (Dublin).

"Reconstruction of audio scenes from a downmix" was invented by Toni Hirvonen (Helsinki), Heiko Purnhagen (Sundbyberg, Sweden), Leif Jonas Samuelsson (Sundbyberg, Sweden) and Lars Villemoes (Jarfalla, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "Audio objects are associated with positional metadata. A received downmix signal comprises downmix channels that are linear combinations of one or more audio objects and are associated with respective positional locators.In a first aspect, the downmix signal, the positional metadata and frequency-dependent object gains are rece...