ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,896, issued on Feb. 10, was assigned to Neatframe Ltd. (London).
"Audio processing" was invented by Oystein Birkenes (Oslo, Norway), Lennart Burenius (Oslo, Norway) and Chiao-Ling Liao (Oslo, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method of processing an audio signal. The method comprises: receiving from two or more microphones, respective audio signals; deriving a plurality of time-frequency signals from the received audio signals, indexed by frequency, and for each of the time-frequency signals: determining in-beam components of the audio signals; and performing post-processing of the received audio signals, t...