Tinnitus masker issues associated with use of tinnitus maskers: the "safe" level of continuous sound depends on the duration of the sound. For maskers worn continuously, or most of the day, a safe level is no more than 70db, in accordance with EPA maximum safe exposure level for 24-hour environmental sound. Maskers louder than 45db or so (the ambient background level of an average home living area) may start to interfere with understanding conversation (about 60db). Masking of high frequency tinnitus (>6,000hz) is difficult because of the resonance characteristics of the human ear as well as high frequency limitations of in-ear devices.
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