ALEXANDRIA, Va., July 9 -- United States Patent no. 12,354,618, issued on July 8, was assigned to Yamaha Corp. (Shizuoka, Japan).

"Control method, control device, and storage medium" was invented by Hiroomi Shidoji (Shizuoka, Japan) and Kenichi Tamiya (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a frequency response having a bell-shaped amplitude characteristic of a filter that is configured to process an audio signal includes preparing a high-frequency parameter related to a high-frequency side characteristic on a high-frequency side of the frequency response, and a low-frequency parameter related to a low-frequency side characteristic on a low-frequency side of t...