Once the blue light fades, Alexa is officially back into sleep mode and must be woken up with a phrase like «Hey, Alexa» or whatever you've set
your custom wake word or phrase to.
It will be interesting to see how this stands up to other wake - word engines such as Snowboy which have the capability of
custom wake word support.
You can't create
a custom wake word, but Amazon offers a few pre-set choices.
Then add them to the Amazon Echo app by saying «Alexa [or
your custom wake word], discover my appliances.»
Snowboy is a Kitt.ai project that enables users to create
custom wake words.
Not exact matches
You'll soon be able to get Google Assistant to respond to a
custom «
wake word» — that's the phrase you use to activate the voice assistant.