US 11,756,549 B2
Systems and methods for enabling topic-based verbal interaction with a virtual assistant
Vikram Makam Gupta, Karnataka (IN); Sukanya Agarwal, Haryana (IN); and Gyanveer Singh, Bangalore (IN)
Assigned to Rovi Guides, Inc., San Jose, CA (US)
Filed by Rovi Guides, Inc., San Jose, CA (US)
Filed on Oct. 27, 2022, as Appl. No. 17/974,974.
Application 17/974,974 is a continuation of application No. 17/182,454, filed on Feb. 23, 2021, granted, now 11,514,912.
Application 17/182,454 is a continuation of application No. 16/396,106, filed on Apr. 26, 2019, granted, now 10,964,324, issued on Mar. 30, 2021.
Prior Publication US 2023/0117765 A1, Apr. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G10L 15/22 (2006.01); G06F 3/16 (2006.01); G10L 25/63 (2013.01); G06F 9/451 (2018.01); G10L 15/18 (2013.01); G10L 15/08 (2006.01)
CPC G10L 15/22 (2013.01) [G06F 3/167 (2013.01); G06F 9/453 (2018.02); G10L 15/1815 (2013.01); G10L 25/63 (2013.01); G10L 2015/088 (2013.01); G10L 2015/223 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for enabling verbal interaction with a virtual assistant without relying on express wake terms, the method comprising:
receiving an audio input for a virtual assistant, wherein the audio input comprises a plurality of terms and none of the terms is an express wake term for the virtual assistant;
determining a topic for the plurality of terms;
retrieving a plurality of topics stored in memory; and
determining whether the topic is within the plurality of topics, and (a) in response to determining that the topic is within the plurality of topics, generating a response to the audio input, or (b) in response to determining that the topic is not within the plurality of topics, generating no response to the audio input.