US 12,243,520 B2
Keyword-based audio source localization
Scott Kurtz, Mount Laurel, NJ (US)
Assigned to Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed by Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed on Sep. 5, 2023, as Appl. No. 18/461,057.
Application 18/461,057 is a continuation of application No. 17/541,934, filed on Dec. 3, 2021, granted, now 11,783,821.
Application 17/541,934 is a continuation of application No. 16/669,195, filed on Oct. 30, 2019, granted, now 11,238,853, issued on Feb. 1, 2022.
Prior Publication US 2024/0212677 A1, Jun. 27, 2024
Int. Cl. G10L 15/20 (2006.01); G10L 15/22 (2006.01); G10L 15/30 (2013.01); G10L 25/84 (2013.01); H04R 1/40 (2006.01); H04R 3/00 (2006.01)
CPC G10L 15/20 (2013.01) [G10L 15/22 (2013.01); G10L 15/30 (2013.01); G10L 25/84 (2013.01); H04R 1/406 (2013.01); H04R 3/005 (2013.01); G10L 2015/223 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, by a computing device and from one or more microphones of a plurality of microphones, one or more indications of first speech;
determining, based on the one or more indications of the first speech, that the first speech comprises a keyword;
based on an absence of a currently active acoustic beam associated with any of the plurality of microphones, forming an acoustic beam, using a portion of the plurality of microphones, to listen for second speech associated with the keyword;
listening, using the formed acoustic beam and by ignoring one or more indications of third speech received via a microphone, of the plurality of microphones, not used to form the acoustic beam, for the second speech; and
recognizing the second speech to generate an indication of recognized speech.