How does Siri hear me say “Hey Siri” if it’s not constantly listening to my conversation or me speaking?
In: Technology
Smart speakers and cell phones have a little low-power engine that’s constantly matching what the device hears to a single wake word (e.g., “Hey, Siri!”). Once the wake word is heard, the device either sends samples to the cloud for decoding or to a bigger engine on chip.
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