All the images I used were hosted online. I was able to get the audio to work if I created the map using the builder and adding everything there. I could not get it to work when I shared an ArcMap service, made a web map and then shared it as a story map. I also realized that using an iPhone the audio section of the caption did not show up so people could not use the story map as a walking tour using their phones. http://arcg.is/1GBcODD
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