US Patent Issued to Shenzhen Bluetrum Technology on Sept. 2 for "Double-microphone array echo eliminating method, device and electronic equipment" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,783, issued on Sept. 2, was assigned to Shenzhen Bluetrum Technology Co. Ltd. (Shenzhen, China).

"Double-microphone array echo eliminating method, device and electronic equipment" was invented by Minghui Song (Shenzhen, China) and Jinhong Lin (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present application relate to a dual-microphone array echo cancellation method, device and electronic equipment, comprises: the acquired distal signal, the first proximal signal and the second proximal signal are processed by linear filtering; obtain initial suppression gain factors and variable step-size factors of the first nea...