Siri not always speaking results

Hi again. Posting up a few issues because I haven't had time to add them earlier, so forgive the several posts tonight. :) This seemed to appear in one of the recent updates to iOS 13 but I can't recall exactly when the problem began. I will ask Siri a question, such as how old a given celebrity is (don't ask - my wife and I play this silly guessing game about the ages of celebrities and use Siri to see who got closer. lol). Anyhow, lately it will display the result on screen (I can see the white rectangle where I assume the text is) but she doesn't read it aloud. If I repeat the question 3 or 4 times, she'll eventually speak it aloud. Has anyone else experienced this issue?