ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,593, issued on April 29, was assigned to Bo Tan (Berkeley, Calif.).

"Method for converting vehicle audio into surround sound and vehicle sound system" was invented by Bo Tan (Berkeley, Calif.) and Shaopeng Liu (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for converting a vehicle audio into a surround sound and a sound system are provided. The method includes: extracting features of an audio data for debugging based on a vehicle audio signal; performing classification according to the extracted features to separate the audio data into a plurality of single audio signals; mixing the plurality of separated single audio signals,...