I realize that the narration is not as good what a professional reader would create, but these books would never have become audios if not for this technology. Potential sales would not have paid the expense of hiring a human reader.
In any case, I think they are good enough if you just want to hear the text. Here are the ordering links:
#1 Precisely Terminated – https://www.theauthorschair.com/shopping/product/cantral-chronicles-1-precisely-terminated-audio-book/