ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,831, issued on Aug. 25, was assigned to Orka Health Co. Ltd. (Shanghai).
"Audio enhancement method and apparatus, and computer storage medium" was invented by Linkai Li (Shanghai), Congxi Lu (Shanghai) and Hongcheng Sun (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present application are an audio enhancement method and apparatus, and a computer storage medium. The method comprises: generating a group of audio collection signals by means of a microphone array; performing delay-and-sum processing on the group of audio collection signals, so as to generate a delay-and-sum signal; performing blocking matrix processing on the...