ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,221, issued on Jan. 13, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Preprocessing model building system for speech recognition function and preprocessing model building method therefor" was invented by Yong Hyeok Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment a system includes a training data preparation device configured to obtain a speech recognition rate of speech data for training using a target speech recognition model, a recognition rate prediction model configured to estimate an expected recognition rate of the target speech recognition model for clean...