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Poll: Do you have tinnitus?

Yeah, real bad! 3 (5%)
Yeah, but moderate 4 (6%)
Yeah, barely 15 (23%)
Nope, not that I know of 20 (31%)
I can't hear to start with 4 (6%)
I don't know what it is 18 (28%)
   Discussion: Do you have tinnitus?
Talcott · 13 years, 3 months ago
I don't hear any ringing or tones, but when things are silent, I seem to notice a very slight hush that I don't remember always having (but then again, I might just not have been aware of it in the past). If it is tinnitus, it's very minor. If not, well, I have no way of knowing it's normal unless someone wants to borrow my ears.

Oh, and for those interested, This American Life had a bit on tinnitus this week (the streaming version should be up by Monday morning).
100% dainty! Back · 13 years, 3 months ago
that could be you hearing your pulse in your ears. when i was little I always thought it sounded like leaves crunching. I thought people were hiking in my ears.
Jay Back · 13 years, 3 months ago
I wish mine was only subtle. In dead silence, the ringing is like a screaming train crashing through the gates of hell...

too many concerts and walkman use as a kid...

Gordondon son of Ethelred · 13 years, 3 months ago
I'd have answered sooner but that ringing in my ears is so annoying.
nate... · 13 years, 3 months ago
I grew up in a house with central air/heat... and at night my parents would put the fan to "on".

So... I can't sleep without white noise.

but I've found that when there is absolute silence... there's this metallic sort of ring in my ears. However, this is not due to my mistreatment of my ears.... because it's always been the case. when I was a kid it used to drive me nuts to be in complete silence because that ringing would overcome my thoughts.

end ramble.
nate, signing off.

renita Back · 13 years, 3 months ago
actually, that could be an effect of the the fan being on, long term exposure to noise, even at low amplitudes can cause tinnitus.
sheryls Back · 13 years, 3 months ago
welp, then, that's my problem too :P i've always had the ringin'!
nate... Back · 13 years, 3 months ago
yup.

it varies in amplitude... but it's always there.

K-Lyn · 13 years, 3 months ago
Only after really good concerts. I think the ringing just stopped from front row at the GBS show on Monday.
100% dainty! Back · 13 years, 3 months ago
teeeheee! me too!
renita · 13 years, 3 months ago
but sometimes when there's silence, i will hear a ringing, or a high-pitched sine wave (at least that's what it sounds like)

of course, there's also the option that that high frequency is coming from electronics around us. we're basically always surrounded by electricity and machines. It could be low amplitude vibrations from just about anything.
Rachel Marie aka RAI Back · 13 years, 3 months ago
How can you tell it's not a high-pitched cosine wave?
renita Back · 13 years, 3 months ago
hee :) i suppose it could be, but then, what disrupted the phase?
renita Back · 13 years, 3 months ago
well, the cosine wave by definition indicates the presence of a sine wave.

so how you know whether it's a sine wave or a sine wave and a cosine wave is this.

if the amplitude remains steady--it's just a sine.

if the amplitude goes up and down, it's a sine and a cosine and the apparent increase and decrease in amplitude is an effect of the phase difference.
Gordondon son of Ethelred Back · 13 years, 3 months ago
I was going to say that a cosine wave is a sine wave, the only differ by a phase shift; cos(t) = sin(t + pi/2)

If you are discussing the amplitude changing then it is a more general wave and doesn't neccessarily mean there is a cosine component to it. What you can say is that it can be expressed as a possibley infinite sum of sine and cosine waves of the form sin(nt) and cos(nt). I never remember which is which but the reason a piano sounds different than a harpsichord is that one has both sine and cosine waves and the other just sines. < /discussion of Fourier analysis >
renita Back · 13 years, 3 months ago
yah, what i was trying to say is that there is no real amplitude change, but there is an interaction between the phase shift of the two waves and our brain.

our brain ends up interpreting the phase shift as changes in amplitude.

for there to be an apparent amplitude change without a change in the energy output, that would indicate two waves of the same frequency (or close to it) interacting and tricking our brain.

yah, i'm trying to represent the Fourier analysis, but it's hard with just words >.< and also without going into like WAY too much detail.
Gordondon son of Ethelred Back · 13 years, 3 months ago
Yes symbols are much better.


renita Back · 13 years, 3 months ago
i had an instructer who wrote a program that performed fourier anaylises. We spent two whole hours listening to different wave shapes. the square wave sounds cool! we never listened to a semicircle :p
Gordondon son of Ethelred Back · 13 years, 3 months ago
We never listened to a semicircle: good name for a short story or novel.
Rachel Marie aka RAI Back · 13 years, 3 months ago
You know, I didn't think that my comment would have brought out the big guns.
renita Back · 13 years, 3 months ago
*L* oh yah, you couldn't have known.

this is one of my (not-so-secret-anymore) loves. sound waves. and the way the brain interprets them. it's absolutely amazing the way it all interacts. *swoons*
Gordondon son of Ethelred Back · 13 years, 3 months ago
Reason #492 to love the Swoonable Renita.
Mamalissa! Back · 13 years, 3 months ago
Big guns... another reason one might have tinnitus.
Gordondon son of Ethelred Back · 13 years, 3 months ago
Size doesn't matter!
Rachel Marie aka RAI Back · 13 years, 3 months ago
I feel like there should be a requisite Dick Cheney joke here.
Gordondon son of Ethelred Back · 13 years, 3 months ago
How many Dick Cheney's does it take to screw in a lightbulb?

Sorry I can't tell you for reasons of national security.

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