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.
Sound Affects Sound Affects Sound Affects is the fifth studio album by British rock band the Jam. The cover art is a pastiche of the artwork used on various "Sound Effects" records produced by the BBC during the 1970s. It is their only album co-produced by the band, and contains the only album track co-written by the entire band, "Music for the Last Couple". The album was released on 28 November 1980. Paul Weller is known to have opined "Sound Affects" as the best album The Jam released throughout their career; freely admitting the Beatles' "Revolver" had been a major influence upon