US Patent Issued to HYUNDAI MOBIS on Oct. 20 for "Virtual engine sound generating system and method of vehicle with Shepard tone" (South Korean Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,605, issued on Oct. 20, was assigned to HYUNDAI MOBIS Co. LTD. (Seoul, South Korea).

"Virtual engine sound generating system and method of vehicle with Shepard tone" was invented by Jae Young Lee (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A virtual engine sound generating system and method involves generating a virtual engine sound with a Shepard tone by superposing sine waves separated by octaves, which causes an auditory illusion as if an infinite musical scale is played, and gives a driver a feeling that engine power continually increases."

The patent was filed on Sept. 7, 2023, under Application No. 18/462,960.

*For...