Yeah, I hear you OP.
DH talks AT me sometimes. Well, a lot of the time. I used to try to be interested, but I have given up now. I don't want to hear in depth lectures on the pyramids in Egypt or about remapping cars. I mean, the things he is into...it just boggles.
I started refusing to listen when it became apparent that he didn't listen to me in return. I don't mind having a chat, as in, an actual two way conversation, about something, but he has the tendency to tediously link it to something he can lecture on. I call them his political broadcasts :o and once I say "You are having a political broadcast" he usually gets the hint and shuts up.
He also makes a story that anyone could tell in 5 mins last 15 mins. I now make a rolling motion with my hand so he will just skip to the end. That sounds so bad. :o 
His inability to leave a room when he says he is going to is another thing that drives me bonkers. He will stand up, say he is off to get a drink or whatever, and 5 mins later I will look up and he is still standing there, talking to me about something, and I haven't been listening because he told me he was leaving the room. Or he will just be standing there still, edging towards the door. I just don't get it. Just walk out the door! 
This post makes me sound awful, and makes our relationship sound awful, but its not at all and I am actually very nice. He is equally dismissive of me and my ramblings. But we do have loads of common ground that we can chat about for hours.