the cicuit sr-07 can recognise up to 44 voices but i dont know if its can be used for voice security if anyone no something about it please tell me or if you have a suggestion for another circuit i would appertiate that because am so in knolwedge
It looks like an old toy for demo'ing to kids at school. It doesn't recognise the person speaking, just a word that it recognises. Their article says that more sophistocated voice-recognition-systems use a computer and special software.