It depends on fiction or nonfiction. I'll hear a voice, but I recognize the word faster than it would take to speak them about so it sort of.. lags behind? And I visualize the concepts where possible. Imagine the places being described. I can do this much faster for fiction than non fiction.

If it's really got me hooked I experience the story like a dream. Like the way a dream seems just after you wake up. It's not like a movie but I'll sometimes hear sounds or get flashes of images.