Amazon Echo speakers track the presence of a person in a room using invisible cues

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Thank you for reading the news about technology: Report: Amazon Echo speakers track the presence of a person in the room using invisible signals and now with the details of the news

Cairo – Samia Sayed – Some Amazon Echo speakers will now be able to detect if a person is in the room, according to thesun technical report.

The new fourth-generation Amazon Echo and Echo Dots will use ultrasound technology to detect the presence of a person.

This feature allows your speaker to turn the lights on and off for you as well as other useful functions.

You can even set it so that your Fire TV turns off when you leave the room, and you’ll need to enable the feature in the Alexa app.

It’s found under Motion Detection if you have a compatible Echo device. Echo devices with this feature don’t have cameras, so they’ll rely on an inaudible wave of ultrasound to check if you’re there.

This sound wave will also reflect off nearby objects and allow the speaker to recognize a human. Amazon first mentioned the feature at its fall hardware event earlier this year. It’s similar to the motion-sensing feature that comes with the Echo Show.

However, this device can rely on cameras to detect when you are entering or exiting a room and not on a sound wave.





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