US 11,676,601 B2
Voice assistant tracking and activation
Ashish Nadkar, San Jose, CA (US); and Alan Daniel Gonzalez, Canton, MI (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed on Sep. 28, 2021, as Appl. No. 17/487,042.
Application 17/487,042 is a continuation of application No. 15/408,171, filed on Jan. 17, 2017, granted, now 11,164,570.
Prior Publication US 2022/0013122 A1, Jan. 13, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G10L 15/22 (2006.01); G06F 3/16 (2006.01); G10L 15/30 (2013.01); G10L 15/08 (2006.01)
CPC G10L 15/22 (2013.01) [G06F 3/167 (2013.01); G10L 15/30 (2013.01); G10L 2015/088 (2013.01); G10L 2015/227 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A method comprising:
tracking, by a computing system, availability of a plurality of voice assistant services, each of the voice assistant services configured to utilize a different respective recognizer for voice input and command interpretation, the tracking including receiving messages indicating wake words corresponding to each of the plurality of voice assistant services;
receiving audio from a microphone;
determining, using the messages, a plurality of wake words corresponding to the plurality of voice assistant services, the plurality of wake words comprising a first wake word for a first voice assistant service provided by a first device and a second wake word for a second voice assistant service provided by a second device;
detecting the first wake word in the audio corresponding to the first voice assistant service of the plurality of voice assistant services; and
in response to detecting the first wake word, activating the first voice assistant service by sending a message to trigger launch of the first voice assistant service, thereby establishing an audio link between the microphone and the first voice assistant service for voice input by a user.