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How do Echo Devices Recognize the Wake Word?
Echo devices are designed to detect only your chosen wake word (Amazon, Alexa, Computer, or Echo). The device detects wake word by identifying acoustic patterns that match the wake word. Once the word is detected, audio begins streaming to the cloud, including a fraction of a second of audio before the wake word. No audio is stored or sent to the cloud unless the device detects the wake word (or Alexa is activated by pressing a button).
Can I "mute" Echo device?
Yes. Our Echo devices are equipped with a microphone off button. When the button is pressed, the power to the microphones is disconnected and a dedicated red light is illuminated. When the microphones are turned off, your device cannot stream audio to the cloud, even when you say your chosen wake word.
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