There is a crime author, Harold Schecter, that I first became familiar with on his frequent appearances of Discovery ID’s Deadly Women. Anyway, he frequently raises his voice, just slightly, at the end of a lot of his sentences. Unlike the Jeopardy woman, having just become familiar with her from your thread and a previous thread on FR from earlier, I find his voice enjoyable to listen to.
This is a talk by him...if you scroll in and listen carefully for a bit, you can hear his unusual vocal pattern:
https://www.youtube.com/watch?v=Sb9Banps5XE
“elite” types like to engage in upspeak like that.