ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,753, issued on Sept. 1.
"Equine audio system with optimized signal processing" was invented by Natalie James Carnahan (Pasadena, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An equine audio system for modulating sound input to a horse comprises anatomically-shaped earbuds with speakers configured to fit securely in the horse's ears. A digital audio processor receives an input audio signal, applies signal processing to generate an output audio signal optimized for an equine auditory system, and transmits the output audio signal to the speakers. The signal processing includes noise cancellation, frequency equalization to emphasize frequencies...