ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,702, issued on July 7, was assigned to NEC Corp. (Tokyo).

"Sound event early detection" was invented by Xuchao Zhang (Elkridge, Md.), Yuncong Chen (Plainsboro, N.J.), Haifeng Chen (West Windsor, N.J.), Wenchao Yu (Plainsboro, N.J.), Wei Cheng (Princeton Junction, N.J.) and Xujiang Zhao (Plano, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for Evidence-based Sound Event Early Detection is provided. The system/method includes parsing collected labeled audio corpus data and real time audio streaming data utilizing mel-spectrogram, encoding features of the parsed mel-spectrograms using a trained neural network, and generating a...