Tinnitus masker sensation level (SL), is how much louder the tinnitus is above the ambient noise of the environment. By raising the ambient level of noise (playing white noise into the ear), the apparent loudness of tinnitus is reduced. The noise level is close to and usually somewhat louder than the perceived loudness of the tinnitus. The generated noise is designed to be a calming, less intrusive sound than the ringing or hissing of tinnitus. Depending on the loudness of the noise, tinnitus may be fully or partially masked. Tinnitus masking cannot reduce or eliminate tinnitus, only reduce awareness of it. The
American Tinnitus Association money for research relating to tinnitus. Until his death in 2010, dr. Vernon was involved with the organization as an honorary board member, patient advocate, and general adviser. The ATA's board of directors consists of a carefully chosen group of professionals. These professionals includes audiologists, researchers and tinnitus advocates. All participants have been influential in creating a nonprofit organization that aims to serve as a resource for tinnitus sufferers. ATA's Scientific Advisory Committee (SAC), consists of scientists who are influential in the tinnitus community. The committee is in charge of choosing individuals for the grant awards. To apply for an