Default How do I extract ringtones from a Nokia Lumia phone or ROM?

I've got a Lumia 620 on the crappy aio/cricket carrier that won't update past Amber. I do like a couple of the aio ringtones that I'd like to extract before I flash to one of the EU CV ROMs. I've got the phone with the aio Amber firmware installed as well as the aio Amber ROM from the Nokia Software Suite.