09747926 is referenced by 23 patents and cites 31 patents.

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving audio data corresponding to an utterance, determining that the audio data corresponds to a hotword, generating a hotword audio fingerprint of the audio data that is determined to correspond to the hotword, comparing the hotword audio fingerprint to one or more stored audio fingerprints of audio data that was previously determined to correspond to the hotword, detecting whether the hotword audio fingerprint matches a stored audio fingerprint of audio data that was previously determined to correspond to the hotword based on whether the comparison indicates a similarity between the hotword audio fingerprint and one of the one or more stored audio fingerprints that satisfies a predetermined threshold, and in response to detecting that the hotword audio fingerprint matches a stored audio fingerprint, disabling access to a computing device into which the utterance was spoken.

Title
Hotword recognition
Application Number
14/943287
Publication Number
9747926 (B2)
Application Date
November 17, 2015
Publication Date
August 29, 2017
Inventor
Jakob Nicolaus Foerster
Oxford
GB
Matthew Sharifi
Kilchberg
CH
Agent
Fish & Richardson P C
Assignee
Google
CA, US
IPC
G10L 15/22
G10L 15/08
G10L 15/18
G10L 17/08
G10L 15/02
G10L 25/51
G10L 25/00
G10L 15/00
G10L 21/00
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