ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,211,515, issued on Jan. 28, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Voice wakeup method and system, and device" was invented by Xiang Chen (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A voice wakeup method includes receiving a plurality of voice wakeup messages sent by a plurality of electronic devices, where each voice wakeup message includes a distance and a wakeup energy value; determining, based on distances and wakeup energy values in the plurality of voice wakeup messages from the plurality of electronic devices, whether energy attenuation of the wakeup word emitted by the sound source complies with an ...