ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,037, issued on Dec. 2, was assigned to Harman International Industries Inc. (Stamford, Conn.).

"Systems and methods for calibrating a headphone fixture" was invented by Sean Edward Olive (Oak Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for calibrating a headphone fixture includes one or more headphones disposed at the headphone fixture and a controller configured to generate a test electroacoustic performance signal based on an audio signal obtained from the one or more headphones, obtain a reference electroacoustic performance signal associated with one or more test subjects and the one or more headphones, determine an elect...