I believe Hey Siri functionality is handled by lower level audio chips, not in u... | Hacker News

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		quenix on Oct 3, 2021 \| parent \| context \| favorite \| on: If your MacBook Pro shows high % CPU, try charging... I believe Hey Siri functionality is handled by lower level audio chips, not in user land. At least that’s how it’s done on the iPhone

diebeforei485 on Oct 3, 2021 [–]

"Hey Siri" on macOS is done in hardware, using the onboard T2 chip (not the CPU).

Or, when using newer AirPods with H1 chip, the "Hey Siri" listening is done on the AirPods.

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