On 11/21/2017 01:55 PM, MBR wrote:
And how, exactly, do they distinguish between your voice and someone playing back a recording of your voice?
I would guess, approximately, they get the caller to say something new each time.
How one says a word varies depends on what words come before and after. Just gluing together words from a recording isn't going to sound very natural.
Whether their computers can distinguish all that very well, is a question. I suspect they cannot.
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