ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,287, issued on April 22, was assigned to Spotify AB (Stockholm).
"Audio stem identification systems and methods" was invented by Juan Jose Bosch Vicente (Paris), Francois Pachet (Paris), Pierre Roy (Paris), Mathieu Ramona (Paris) and Tristan Jehan (Brooklyn, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems and computer program products are provided for determining acoustic feature vectors of query and target items in a first vector space, and mapping the acoustic feature vectors to a second vector space having a lower dimension. The distribution of vectors in the second vector space can then be used to identify items from the same...