http://endtinnitus.com/

This is a site I have not heard of before. It sounds like a
Do-It-Yourself TRT. But it might be useful to some people.
I have not read it. At least it is affordable.

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Quote from the website:
"Through research and experience, I developed a technique to condition
a person to no longer hear tinnitus. Using my technique, you can cure
tinnitus forever by training your brain not to react to it. I wrote
End Tinnitus to teach you how to do this.

As a psychotherapist with a degree in Psychology, Tinnitus has become
one of my main practice areas.  My unique and innovative system of
curing tinnitus took me years to develop, but is available for you to
start using today. My method has helped many people (including myself)
cure themselves of tinnitus and is growing more popular each day. I
detailed all of my techniques and findings at length in my new book:
End Tinnitus: Use Psychological Conditioning to Cure Tinnitus, which
is available for you to download and read today."
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Just don't believe the bit about hair cell damage.

Elly's Tinnitus Resources
http://eebee.net/