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Loden Taylor
Aug 11, 2003

Godholio posted:

My hearing test results don't show sufficient degradation, which is loving shocking to me. Maybe it's just the tinnitus loving it all up, but I don't know what the gently caress I'm doing, and frankly I'm unimpressed with the DAV so far. They incorrectly filled out the paperwork, so I ended up filling out half of it anyway, and the fucker got my hopes up on the hearing loss.

Human hearing goes up to about 20 kHz, but most sound tests top out at around 8 kHz because below that are the frequencies used for speech, so if you're still good in the 200 Hz to 8 kHz range, the test will say you've got normal hearing.

Every sound except pure sine tones has overtones that shoot up way up past 8 kHz, and it's the overtones that give a sound its identifiable timbre. So if you've lost a lot of your high end, everything will sound slightly muted and duller, like you've applied a low pass filter to it. Meanwhile, the test will say you don't even qualify for high frequency hearing loss, because you're still good up to 8 kHz. It's bullshit, but they're only really concerned with you being able to hear well enough to communicate.

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