ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,578, issued on Sept. 9, was assigned to Amazon Technologies Inc. (Seattle).
"Audio detection" was invented by Michael Thomas Peterson (Watertown, Mass.), Gengshen Fu (Sharon, Mass.), Aaron Challenner (Melrose, Mass.), Rong Chen (Boston), Cody Jacques (Westwood, Mass.) and Stefan M Bradstreet (Medford, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device is configured to detect multiple different wakewords. A device may operate a joint encoder that operates on audio data to determine encoded audio data. The device may operate multiple different decoders which process the encoded audio data to determine if a wakeword is detected. Each decode...