3 links have been added on this idea.
  1. They sussed how to clone your voice, now it just needs to connect to your text to voice app or audiobook app and you got grandma reading you hot erotica, or whatever you want.

  2. Speechify would be great for this if you could upload a sample of the voice you wanted it to use – actually it should let you upload a bunch of voices from morgan freeman to jesus and possibly even the big guy himself.