ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,577, issued on Feb. 17, was assigned to Google LLC (Mountain View, Calif.).
"Hotphrase triggering based on a sequence of detections" was invented by Victor Carbune (Zurich, Switzerland) and Matthew Sharifi (Kilchberg, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes receiving audio data corresponding to an utterance spoken by the user and captured by the user device. The utterance includes a command for a digital assistant to perform an operation. The method also includes determining, using a hotphrase detector configured to detect each trigger word in a set of trigger words associated with a hotphrase, whether any of the...