Audio skips and pauses randomly?

[CoolKahlan]

I have a non jailbroken iPhone 5c currently updated to IOS 7.1.1. Before, my iPhone was working perfectly fine. Now, any audio I play will play for a bit and then randomly pause (this is in any audio app, ex: YouTube, Soundcloud, iTube, etc.) but it's even worse in iTunes. When I play music via iTunes, it skips around like crazy and just completely jumps from song to song. I don't even have to touch my phone. It literally feels like my phone is possessed. Siri has also been going off on its own without me touching anything. I've tried closing my apps down, playing with the settings, turning my phone off, and doing a hard reset. None of this works. Anyone else have this problem? Thanks!