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For decades, hundreds of people worldwide have been plagued by an elusive buzzing noise known as "the Hum". Some have blamed gas pipes or power lines, others think their ears are faulty. A few even think sinister forces could be at work.
Originally posted by booda
reply to post by _Phoenix_
sorry - could you explain what "Just before AP/OBE" is - cheers
Originally posted by marshy10156
People have been hearing this hum since the 60's.
Also been discussed on here many many times try searching the ATS forums a bit more first. Nothing new here
Tinnitus (pronounced /tɪˈnaɪtəs/ or /ˈtɪnɪtəs/,
 from the Latin word tinnītus meaning "ringing"[
2]) is the perception of sound within the human ear in the absence of corresponding external sound. Tinnitus can be perceived in one or both ears or in the head. It is usually described as a ringing noise, but in some patients it takes the form of a high pitched whining, buzzing, hissing, screaming, humming, or whistling sound, or as ticking, clicking, roaring, "crickets" or "tree frogs" or "locusts", tunes, songs, or beeping.
 It has also been described as a "wooshing" sound, as of wind or waves.
 Tinnitus can be intermittent or it can be continuous. In the latter case, this "phantom" sound can create great distress in the sufferer.