Captivate narration not coming through on iPad

Hello,

I created a Captivate project in Captivate 7.0.  My project includes a music introduction (MP3 file) on the first slide and narration on the subsequent slides.  On my desktop, the project and sound (music and narration) runs properly.  However, on my iPad, neither my music introduction on the first slide nor my narration on subsequent slides comes in. I confirmed I do not have "mute" on and that my volume is up.

Do you have any ideas?

Thanks,

Sarah