ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,236,927, issued on Feb. 25, was assigned to Roland Corp. (Shizuoka, Japan).
"Effects device and effects processing method" was invented by Shinji Tomita (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An input musical sound signal is input to band pass filters, and pass musical sound signals for each sound pitch are acquired. Total level ratios based on a total of levels of a sound pitch lower than those of the pass musical sound signals are calculated from the levels that are levels of the pass musical sound signals, and output coefficients are acquired on the basis of the total level ratios. Levels of octave musical sound signals acqui...