... The cochlea in the ear converts sound waves to electrical impulses that the brain processes as sound. Thousands of tiny hairs in the cochlea bend when exposed to the original sound vibrations. But those hairs can get stuck in a bent position. Which is why we hear the sound even when it’s gone.

Two young women in Ireland were studying the problem in physics class. They thought that a low hum might straighten out those bent cochlear hairs. So they developed a minute-long therapy using the hum and tested it on 250 subjects.

Ninety-nine percent of the tinnitus sufferers said the treatment got rid of the disturbing phantom sound ...

Source

Cross-posted from http://moosl.dreamwidth.org/28521.html (with comments there).