what is the best way to implement an activation word to a voice related project

Question

i am trying to create a voice authentication system an i have been reading and trying out related things.

but one of the feature that i want to have for my program is for it to be listen to the surrounding all the time and some function( the authentication part) to start executing after a certain activation word( for example "hello siri" for siri).

i couldn't find anything related this feature online.. can someone please help me understand the nest way to implement this function without weight the hardware too much. i really appreciate any reference you can give me

Answer 1

If you have raspberry pi then you can use Snowboy.

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