Compared to real, adjacent to the tracks, videos the stuff in N3V is thin and tinny. There is little base. Everything sounds like clicks. Maybe a paranoid product manager determined that using smaller sound files would save space and imagined a cost savings. A massive locomotive backing into a string of hoppers does not sound like the N3V clicks.
But, this is a game and not a simulator. Sad....
But, this is a game and not a simulator. Sad....