Comment by simonw
The iPhone has dedicated low-power on-device hardware that is trained to pick up "Hey Siri" exclusively. It only wakes up the rest of the device and captures additional audio after that wake word has been triggered.
The iPhone has dedicated low-power on-device hardware that is trained to pick up "Hey Siri" exclusively. It only wakes up the rest of the device and captures additional audio after that wake word has been triggered.