US Patent Issued to ESPRESSIF SYSTEMS (SHANGHAI) on April 14 for "Automatic gain control method and apparatus for voice interaction system, and system" (Chinese Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,098, issued on April 14, was assigned to ESPRESSIF SYSTEMS (SHANGHAI) Co. LTD. (Shanghai).

"Automatic gain control method and apparatus for voice interaction system, and system" was invented by Xiangyu Sun (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses an automatic gain control method and apparatus for a voice interaction system, a system, and a computer-readable storage medium. The method comprises: receiving a voice signal; dividing the received voice signal into a plurality of sound signals of different sound sources by blind source separation; invoking a pre-trained wake-up word detection model to per...