I've been told by other people that I have a geographical/regional acent, but I can't hear it.
Are you from a different region than those people? 
Yeah. I'm from Florida in the US, but my grammer, semantics and dialect seem no different to me than those of my friends elsewhere.
Have you tired recording yourself then listening to it?
I hate the sound of my voice when recorded. But its really difficult to measure or predict how my accent has formulated.
Without hearing your voice or knowing what region yours is being compared to, I don't know how to help you.  
Maybe you could do some lip-reading. I wonder if you can dicern an accent from interpreting the movements of the lips, face and tongue.
I don't think that's possible. I think it's all auditory and even if it weren't, there's no way for me to ready your lips here.
Hearing loss
Hearing loss, also known as hearing impairment, is a partial or total inability to hear. A deaf person has little to no hearing. Hearing loss may occur in one or both ears. In children, hearing problems can affect the ability to learn spoken language and in adults it can create difficulties with social interaction and at work. In some people, particularly older people, hearing loss can result in loneliness. Hearing loss can be temporary or permanent.
Hearing loss may be caused by a number of
where'd you hear that? I did it in two days. He said, Jimmy Iovine. So I went to Jimmy Iovine and I said all that to his, yeah it's true, I know. I blamed you but you can't be upset with me. I'm not like a writer. I've gotta make my way with these people. I had to have a scapegoat.
The Blasters, who turned down the chance to appear in Hill's "48 Hours", appear in the