US Patent Issued to TENCENT AMERICA on Feb. 17 for "Multi-channel acoustic howling suppression using Kalman filter with shared parameter estimation" (California, Washington Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,560, issued on Feb. 17, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).

"Multi-channel acoustic howling suppression using Kalman filter with shared parameter estimation" was invented by Meng Yu (Bellevue, Wash.), Hao Zhang (Palo Alto, Calif.) and Dong Yu (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus comprising computer code configured to cause a processor or processors to obtain an audio signal from a channel of at least one microphone of a plurality of microphones, estimate a Kalman gain based on the audio signal, share the Kalman gain to a plurality of channels of other ones of the plurality of m...