ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,016, issued on Dec. 2.

"Method and system for providing audio output with three-dimensional (3D) surround sound and ultra bass sensation via a multiple auditory pathway earphone" was invented by Sin Man Samuel Tsun (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multiple auditory-pathway ("MAP") earphone, coupled to an external electronic system for converting electrical signals to audio sound, includes an earpiece, a first sound driver, and a second sound driver. In one aspect, the MAP earpiece is configured to be inserted into an ear canal for providing audio sound. The first sound driver is operable to generate a vibration output capab...