ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,441, issued on April 7, was assigned to YAMAHA Corp. (Hamamatsu, Japan).

"Audio signal processing method and audio signal processing apparatus" was invented by Keiichiro Soma (Hamamatsu, Japan), Arata Imai (Hamamatsu, Japan), Takeshi Nonaka (Hamamatsu, Japan), Masaaki Okabayashi (Hamamatsu, Japan), Yu Takahashi (Hamamatsu, Japan), Kotaro Terada (Hamamatsu, Japan) and Kenji Ishizuka (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An audio signal processing method for a mixing apparatus including a plurality of channels, the audio signal processing method includes selecting at least a first channel among the plurality of channels, inp...