Serious question:  Are you trying to get it to be entirely silent, or are you looking for something like "bang" to be announced for exclamation mark when moving letter by letter?

Gene is right in that the punctuation/symbols dialog is what's used to control this, but the exact tweaking would depend on precisely what it is you're trying to accomplish.
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Brian - Windows 10, 64-Bit, Version 21H2, Build 19044  

Constantly insisting on “my rights” with no consideration of “my responsibilities” isn’t “freedom” — it’s adolescence.
     ~ Commenter, Evangelos, in comments for
         America 2022: Where Everyone Has Rights and No One Has Responsibilities,
        New York Times, February 8, 2022