Is it Pulsatile Tinnitus? I've always wondered what that is. I've heard about it but never took the time to look it up. I was about to answer with Autophony, but I guess that may be too broad of an answer.
I had this same problem, and FOUND THE ANSWER! I tried everything, and an ENT doctor even told me I'd have to live with it the rest of my life, but it turns out, all I needed was a Chiropractic adjustment. I went to Dr. Toy in Lawton, OK, and he worked wonders. My hearing came back A LOT after the first adjustment, and the sound wasn't as loud, but after a couple more adjustments, the sound completely went away a few months later. I think an artery was out of line or twisted or something like that. Dr. Toy graduated from some school called Logan out of Missouri, so I'd try to find a Logan grad in your area. He was old school in that he popped my neck (didn't hurt) 2 different ways. Some chiropractors use little tools or whatever. Get an old school one who just pops you back in place.
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