	US 11,922,948 B2
	Multi-mode voice triggering for audio devices
Dersheet C. Mehta, Canoga Park, CA (US); Dinesh Garg, San Jose, CA (US); Sham Anton Koli, San Jose, CA (US); Kerry J. Kopp, Los Altos Hills, CA (US); and Hans Bernhard, Los Angeles, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Apr. 21, 2023, as Appl. No. 18/137,958.
Application 18/137,958 is a division of application No. 17/199,428, filed on Mar. 11, 2021, granted, now 11,664,031.
Prior Publication US 2023/0260518 A1, Aug. 17, 2023
Int. Cl. G10L 15/32 (2013.01); G10L 15/08 (2006.01); G10L 15/22 (2006.01); G10L 15/30 (2013.01)

CPC G10L 15/32 (2013.01) [G10L 15/083 (2013.01); G10L 15/22 (2013.01); G10L 15/30 (2013.01); G10L 2015/088 (2013.01); G10L 2015/223 (2013.01)]

20 Claims

1. An electronic device, comprising:

a memory; and

at least one processor configured to:

provide, to an audio output device, an indicator of a particular virtual assistant at the electronic device;

receive a trigger signal from the audio output device prior to receiving audio input data from the audio output device, wherein the trigger signal corresponds to the particular virtual assistant; and

activate, responsive to the trigger signal, the particular virtual assistant for receiving the audio input data from the audio output device.