Tinnitus masker The ear has a resonance frequency (highest frequency response) at 3,000hz and rolls off at a very steep 26db/octave on the high frequency side. Unfortunately, most tinnitus is associated with hearing loss, and most hearing loss and tinnitus is high frequency. Most maskers are limited to about 6khz of effective output. Higher frequency output results in increasing distortion, and may cause rejection of the device. The minimum masking level (MML) is the minimum amplitude of narrowband noise centered on the tinnitus pitch (or frequency range) necessary to completely mask the tinnitus. Tinnitus maskers are commonly used by tinnitus sufferers when
Tinnitus retraining therapy metrics. Tinnitus activities treatment (TAT) is a clinical adaptation of TRT that focuses on four areas: thoughts and emotions, hearing and communication, sleep, and concentration. Progressive tinnitus management (PTM) is a 5-step structured clinical protocol for management of tinnitus which may include tinnitus retraining therapy. The five steps are: The U.S. Department of Veterans Affairs (VA) now employs PTM to help patients self-manage their tinnitus. Cognitive behavior therapy (CBT), the counselling part of TRT, as a generalized type of psychological and behavioral counselling, has also been used by itself in the management of tinnitus. If tinnitus is associated with hearing