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What is residual inhibition?
Residual inhibition is the absence or reduced loudness of tinnitus after exposure to a sound signal. It has been known for more than 50 years but previously lasted for such a short time (several seconds) that it was not useful
for treating tinnitus.
The new TIPA sound signal has the unusual ability to switch tinnitus off for hours or even days in many patients after the sound stops. There is also evidence that repeated use of the TIPA Tinnitus Device can result in increasing duration of this inhibition.
Tinnitus can often not be heard by the patient when there is an external sound present. When this occurs the tinnitus is said to be masked and the external sound is called the masker. The masker can be natural sounds such as a waterfall or delivered by a sound generating device producing white noise or music. However the tinnitus returns when the masker
stops, unlike the TIPA sound signal where the tinnitus is switched off after the sound stops.