US Patent Issued to Amazon Technologies on Jan. 20 for "Noise reduction and residual echo suppression" (Washington, Massachusetts, California Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,046, issued on Jan. 20, was assigned to Amazon Technologies Inc. (Seattle).

"Noise reduction and residual echo suppression" was invented by Nikhil Shankar (Kirkland, Wash.), Amit Singh Chhetri (Sunnyvale, Calif.), Mrudula V Athi (North Natick, Mass.) and Berkant Tacer (Bellevue, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system configured to improve audio processing by performing dereverberation, noise reduction, and residual echo suppression during a communication session. The system may include a deep neural network (DNN) configured to jointly mitigate additive noise, reverberation, and residual echo. The DNN may be a convolutional rec...