ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,533, issued on Oct. 7, was assigned to ASLEEP Co. LTD (South Korea).

"Method, computing apparatus, and computer program for analyzing sleeping state of user through sound information" was invented by Junki Hong (Daejeon, South Korea), Hong Hai Tran (Seoul, South Korea), Jinhwan Jung (Daejeon, South Korea) and Dongheon Lee (Seongnam-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for analyzing a user's sleep state based on sound information for realizing the above-described tasks is disclosed. The method comprises the steps of acquiring sleep sound information related to the user's sleep, pre-processing the sleep sound informat...