Well, I guess it's a voice synthesizing technolodgy? If so, then it's IMPRESSIVE. To synthesize a nearly perfect intonation and pronunciation...

Anyway, whatever that is, both of them are quite good, they mess up stresses from time to time or even sounds but that's not a very big deal, and it can be fixed in time. I personally liked the first one more, because her/its speech is smoother. The second one starts quite well but she/it starts to kind of stutter in the middle