Residual inhibition for me (and also for others I suppose) happens with the sound of water.
I guess for some reason sounds resonating around the tinnitus frequency calm the tinnitus sound down.
I guess this happens because external stimuli is fed to the brain in the exact same area where the injury is, so the brain doesn't have to create the "phantom sound" of tinnitus.
In other words if you give the brain the phantom sounds it doesn't have to produce it.
I guess for some reason sounds resonating around the tinnitus frequency calm the tinnitus sound down.
I guess this happens because external stimuli is fed to the brain in the exact same area where the injury is, so the brain doesn't have to create the "phantom sound" of tinnitus.
In other words if you give the brain the phantom sounds it doesn't have to produce it.