US Patent Issued to YAMAHA on May 27 for "Filtering method, filtering device, and storage medium stored with filtering program" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,528, issued on May 27, was assigned to YAMAHA Corp. (Hamamatsu, Japan).

"Filtering method, filtering device, and storage medium stored with filtering program" was invented by Ryo Tanaka (Hamamatsu, Japan) and Satoshi Ukai (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filtering method includes: receiving a first audio signal and a second audio signal that include sound emitted from a same sound source at different volumes; generating a filter signal by convoluting adaptive filter coefficients into the second audio signal; removing components of the filter signal from the first audio signal; and limiting a gain of the adaptive fil...