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Message: <blockquote data-quote="keep_hope_alive" data-source="post: 7876616" data-attributes="member: 576029">the problem with the online test is that the signals are not clean and there is noise in the signal that you can detect.  you may not be hearing a pure tone but some lower frequency noise associated with it.for me, in the audiology chamber, the 18k tone was audible.  but that room has a very low noise floor.  so while i could detect it, obviously i don't consider it within my range due to how much loss of sensitivity i have.i've generated my own tones and tested myself in the office (closed head phones) and i thought i could hear higher, easier.  but a true setup that is noise free yeilds different results.</blockquote>

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