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.
Body without organs But every actual body also has a virtual dimension: a vast reservoir of potential traits, connections, affects, movements, etc. This collection of potentials is what Deleuze calls the BwO. The full body without organs is "schizophrenia as a clinical entity" ("Anti-Oedipus," p. 310). This drop in intensity is a means of blocking all investments of reality: "the unproductive, the sterile, the unengendered, the unconsumable" ("Anti-Oedipus," p. 9). Unlike other social machines such as the Body of the Earth, the Body of the Despot or the Body of Capital, the full body without organs cannot inscribe other bodies. The body without