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.
International Tinnitus Journal Otorhinolaryngology of the Federal District (Brasilia, Brazil) became the new owner of the "International Tinnitus Journal" and Carlos A. Oliveira (University of Brasilia) took over as editor-in-chief. International Tinnitus Journal The International Tinnitus Journal is a peer-reviewed medical journal that was established in 1995. It covers all aspects of tinnitus. Until 2010, the journal was published by the Martha Entenmann Tinnitus Research Center (State University of New York) in cooperation with the Neurootologisches Forschungsinstitut der 4-G-Forschung e.V. (Bad Kissingen, Germany), and edited by Claus-Frenz Claussen, Abraham Shulman, Barbara Goldstein, and Michael Seidman. It is published biannually and is the official