How to set up and use Alexa sound detection: soothe crying babies, barking dogs and noisy snorers

Smart Home Week

This article is part of TechRadar’s Smart Home Week 2024, where we’re giving you all the latest news, tips and tricks to help you make the smart home of your dreams. 

We all know Amazon’s Alexa is smart, more so perhaps than we give it credit for. Every time we ask the voice assistant to “set a timer for 12 minutes” or play our favorite radio station, there’s a momentary existential crisis as we remember it can do much more, like commanding thousands of the best smart home devices to spring into life whenever we need them.

More specifically, there’s a Routines feature called Sound Detection, where Alexa can be configured to do all manner of things when it hears a certain sound. These include the sounds of a baby crying, an appliance beeping and a dog barking, as well as running water, snoring, and coughing.


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