I have the exact same problem as you. I've had tinnitus on my left ear for exactly two years now, and more recently I've developed that talking-through-your-ear sensation. My left ear is very sensible now, so talking too loud or being in loud environment hurts my ear. I've lost a good deal of hearing in that ear as well. I have no idea of what the problem is, and since the problem seems to be getting worse, I'll try to go to the doctor soon (I went to a doctor once before, but he found nothing wrong).
Have you found out what the problem is since the last time you posted? have you improved? Please let me know, it would help me a lot. I wish you the best and hope you improve.