ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,218, issued on June 23, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Generating parametric spatial audio representations" was invented by Mikko-Ville Laitinen (Espoo, Finland), Juha Tapio Vilkamo (Helsinki) and Jussi Kalevi Virolainen (Espoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for generating a spatial audio stream, the method including: obtaining at least two audio signals from at least two microphones; extracting from the at least two audio signals a first audio signal, the first audio signal including at least partially speech of a user; extracting from the at least two audio signals a second audio signal, ...