Amazon Echo Speakers can now detect your presence

Amazon has updated its Echo speakers so that you can detect your presence with ultrasound.

Amazon Echo Dot 2020 // Source: Arnaud Gelineau for Frandroid

Until now, you need to activate your home automation components and find out if you are in your home by going through dedicated detectors attached to the doors. Now, the Amazon Echo speakers go further. As reported On the edge, The American manufacturer will actually update the speakers Amazon Echo4 And Echo Dot4 Let them discover your presence.

This feature actually relies on the emission of inaudible ultrasonic waves to detect changes and movements in a room. This feature was announced by Amazon last September, during an event that also offered it Robot Astro. Using ultrasonic motion detection, procedures can be performed quickly on even more echo devices. If you choose to operate Ultrasound on compatible devices, they will emit inaudible ultrasonic frequencies from the speaker, which will reflect nearby objects and return to the microphones. Alexa can use this to automatically activate actions such as turning off the fire TV when you go to work., Then Amazon pointed out.

Extended possibilities for automating your procedures

Sure, this ultrasonic motion – so popular – detection system will therefore be used to automate certain components of its management with home-connected devices. For example we can imagine Smart bulbs Automatically on and off depending on whether a person is in the room or not. The Verge cites another example with the possibility to start the radio or playlist automatically when accessing the Amazon Echo speaker.

This is not the first time Amazon has used motion detection on its speakers. Connected screens Amazon Echo Show This type of functionality can already be used, but they also use an integrated camera to detect people.

This new detection function is available this week on the fourth generation Amazon Echo and Echo Dot speakers.

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