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Speech & Audio

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Wake Word Detection

Wake Word Detection

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Recognizing a trigger phrase (‘Hey Siri’) that activates a voice interface, processed locally for privacy and speed.

Recognizing a trigger phrase (‘Hey Siri’) that activates a voice interface, processed locally for privacy and speed.

Why it matters

The wake word is the front door of always-listening products. False accepts are privacy incidents; false rejects are dead products.

Related — Speech & Audio