ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,289, issued on Aug. 4, was assigned to Apple Inc. (Cupertino, Calif.).

"Sound-based attentive state assessment" was invented by Grant H. Mulliken (Los Gatos, Calif.), Christine Godwin (Sunnyvale, Calif.), Izzet B. Yildiz (Sunnyvale, Calif.) and Sterling R. Crispin (Santa Cruz, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various implementations disclosed herein include devices, systems, and methods that determine an attentive state of a user based on physiological data associated with a physiological response of the user to an auditory stimulus. For example, an example process may include selecting an auditory stimulus based on a characteris...