Audio

I was wondering if there was a way to have the narration on a slide play only upon first visit. My training is set up like a website, so that when a page with links to chapters is visited, you hear the narration. But when revisited through the jump to slide nav icon links, the narration plays again. Annoying. I addressed this by adding a silent duplicate slide. However, if the user uses the next page arrows, they will see the duplicate slide. Also annoying! Can somebody bless me with an advanced action or some setting to address this? Thank you!