US Patent Issued to Dolby Laboratories Licensing, DOLBY INTERNATIONAL on Sept. 30 for "Frame-level permutation invariant training for source separation" (American, Spanish Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,155, issued on Sept. 30, was assigned to Dolby Laboratories Licensing Corp. (San Francisco) and DOLBY INTERNATIONAL AB (Dublin).

"Frame-level permutation invariant training for source separation" was invented by Xiaoyu Liu (Dublin, Calif.) and Jordi Pons Puig (Olot, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a method of training a deep-learning-based system for sound source separation. The system comprises a separation stage for frame-wise extraction of representations of sound sources from a representation of an audio signal, and a clustering stage for generating, for each frame, a vector indicative of an assignment permutat...