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Making hidden panic alarm by certain phrase or key words

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not familiar on how to program the sound devices on Arduino or esp's and I didn't know if it would be possible create a certain key phrase or word would listen for and then trigger another are doing you or ESP and create a alarm for sending sms or email and surprise for keywords and triggered is this possible can you please help me with the code and how to do it

Yes there are speech recognition algorithms and chips available
to do the recognition part.

Google "speech recognition algorithm"....

Regards, Dana.
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