ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,784, issued on Nov. 4, was assigned to AIROHA TECHNOLOGY CORP. (Hsinchu, Taiwan).
"Audio processing device" was invented by Kai-Sheng Chen (New Taipei, Taiwan), En-Tai Kuo (Zhubei, Taiwan), Dong-Jun Lin (Taipei, Taiwan) and Shih-Kai He (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides an audio processing device comprising a first filter and a second filter. The first filter is configured to generate a first filtered signal based on an error signal, the error signal representative of audible sound at a target space. The second filter is configured to generate a second filtered signal based on the error signal. ...