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The Basement
I am going to question the effectiveness of noise canceling headphones.
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<blockquote data-quote="John Roberts" data-source="post: 42828" data-attributes="member: 126"><p>Re: I am going to question the effectiveness of noise canceling headphones.</p><p></p><p>I'm not sure, but there may be something else going on. Do all closed back cans, or hearing protectors stress your ears? There may be Eustachian tube issues (tube to equalize air pressure between inner ear and real world.)</p><p></p><p>A very tight fit closed back can, put on at sea level before take off, could play games with pressurizing the outer ear, as cabin pressure is reduced at altitude. IIRC the Eustachian tube connects to atmosphere via the nose. it seems this could clear itself automatically with a leaky seal on the cans. </p><p></p><p>Ears could pop, if you take off the cans after up at altitude, and not outer ear is not equalized for pressure due to leaks. </p><p></p><p>While fatigue is another story... good noise canceling should not fatigue more than usual cans. By definition they need to match exterior noise with unity gain, to cancel. </p><p></p><p>JR</p></blockquote><p></p>
[QUOTE="John Roberts, post: 42828, member: 126"] Re: I am going to question the effectiveness of noise canceling headphones. I'm not sure, but there may be something else going on. Do all closed back cans, or hearing protectors stress your ears? There may be Eustachian tube issues (tube to equalize air pressure between inner ear and real world.) A very tight fit closed back can, put on at sea level before take off, could play games with pressurizing the outer ear, as cabin pressure is reduced at altitude. IIRC the Eustachian tube connects to atmosphere via the nose. it seems this could clear itself automatically with a leaky seal on the cans. Ears could pop, if you take off the cans after up at altitude, and not outer ear is not equalized for pressure due to leaks. While fatigue is another story... good noise canceling should not fatigue more than usual cans. By definition they need to match exterior noise with unity gain, to cancel. JR [/QUOTE]
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I am going to question the effectiveness of noise canceling headphones.
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