ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,722, issued on Aug. 12, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).
"Multi-device wakeword detection" was invented by Mark R. P. Thomas (Walnut Creek, Calif.) and Richard J. Cartwright (Killara, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for selecting a device for audio processing may involve receiving a first wakeword confidence metric from a first device that includes at least a first microphone and receiving a second wakeword confidence metric from a second device that includes at least a second microphone. The first and second wakeword confidence metrics may correspond to a first local maximum of a ...