Andrey you were right. If you exceed the speed limit even with overspeed_min_speech_repeat_delay=-1 the overspeed announcement is twice. Also the the "announcement only if you overspeed" is not working. It makes announcement anyway but only once (that's why I got confused).
So, my request is, if pongo thinks it's better, to change the code and make the announcement only once. I don't see the reason to announce it twice. Just my opinion.
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