ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,125, issued on Sept. 30, was assigned to Comcast Cable Communications LLC (Philadelphia).
"Keyword detection" was invented by Christian Buchter (Philadelphia), Scott Kurtz (Mount Laurel, N.J.) and Michael Sallas (Radnor, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, apparatuses, and methods are described for keyword detection. A first detector device may receive audio and process the audio to determine a confidence value regarding presence of a keyword. A copy of the audio may be passed to a second detector device to perform additional testing for the audio. The first detector device may take an action before or after sending to the s...