I entered "Hello, this is a test of the emergency broadcast system. This is only a test." and ran through the 5 voices they have highlighted in the demo about

I entered "Hello, this is a test of the emergency broadcast system. This is only a test." and ran through the 5 voices they have highlighted in the demo about halfway down their page on https://www.veritone.com/applications/marvelai https://www.veritone.com/applications/marvelai It sounds, to me, like the voice synthesisers that come on the OS, and I can't tell any actual difference? All of them sound fake and generated and if I focus on it to think about why, the parts that always seem wrong to me are the space connecting the words, word to word there seems to be no connection in the inflection, such that there is no consistent flow in it. Maybe I don't have the right words to describe this.