Multi-layer keyword detection
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 11, 2025
Grant Date -
Nov 9, 2023
app pub date -
May 8, 2023
filing date -
May 8, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for temporarily disabling keyword detection to avoid detection of machine-generated keywords. A local device may operate two keyword detectors. The first keyword detector operates on input audio data received by a microphone to capture keywords uttered by a user. In these instances, the keyword may be detected by the first detector and the audio data may be indicated for speech processing. The system may determine output audio data responsive to the input audio data. The local device may process the output audio data to determine that it also includes the keyword. The device may then disable the first keyword detector while the output audio data is played back by an audio speaker of the local device. Thus the local device may avoid detection of a keyword originating from the output audio. The first keyword detector may be reactivated after a time interval during which the keyword might be detectable in the output audio.
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