ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,211,478, issued on Jan. 28, was assigned to HYUNDAI MOTOR COMPANY (Seoul, South Korea) and KIA Corp. (Seoul, South Korea).
"Noise masking apparatus and method" was invented by Kyoung Jin Chang (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A noise masking apparatus and method are disclosed. The noise masking apparatus includes a receiver that receives an impact sound and a controller. The controller generates a seed sound source based on an impact noise when the received impact sound is determined as the impact noise, modulates the seed sound source to generate and reproduce a masking sound, sets a repeating reproduction time of t...