Audio issues in Storyline

Can anyone direct me to a resolution to audio issues. I have numerous MP3 files that I am importing into a Storyline project that I am timing to animations. My audio doesn't work  when I play the timeline. It doesn't work when I preview or publish. I have tested my speakers and they work fine in any other capacity other than Storyline.  I have seen other discussions, but none of them have an answer that works for me.

Thanks in advance.

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