ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,205, issued on Oct. 7.
"Directional sound recording and playback" was invented by Eric Jay Alexander (Orem, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for providing improved localization of recorded and played back sound are provided by improved microphone arrays for recording sound and by improved systems for playback of sound. Microphone arrays include four microphones with sound transducers located and aimed to mimic capture of sound by human ears. Sound captured by two side-viewing microphones is attenuated, at the time of sound capture and/or recording, at a later processing stage, or at the time of sound playback, b...