US Patent Issued to NTT on Feb. 24 for "Model learning device, direction of arrival estimation device, model learning method, direction of arrival estimation method, and program" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,670, issued on Feb. 24, was assigned to NTT Inc. (Tokyo).

"Model learning device, direction of arrival estimation device, model learning method, direction of arrival estimation method, and program" was invented by Masahiro Yasuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a device for estimating a direction-of-arrival of a sound source and for learning a model are described. Operations for the estimating comprises estimating a reverberation component of an acoustic intensity vector, extracting an angle mask, estimating a time-frequency mask for noise suppression and sound source separation. A first direction-of-arrival of a s...