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extremely high frequency hiss sound?
extremely high frequency hiss sound?
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Old 6th November 2012, 05:10 PM   #11
jitter is offline jitter  Netherlands
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Originally Posted by kevinahcc20 View Post
Everyone has a high frequency background noise in their hearing apparatus. For most people without clinical tinnitus the noise is so faint to be inaudible unless they are in a VERY quiet environment where the noise is above the background level.
Agreed, but I don't need to be in a very quiet room to hear it. Most of the time I don't hear (or rather: register) it because my attention isn't focused on it. It's present 24/7 and equally loud in both ears.
I do know that my hearing is more adept at hearing sounds than most people's. When I'm at a friends apartment, I can hear the dog bark and whine that lives in the appartment two flights up and on the other side of the stairwell. My friend can't hear that.

If you have tinnitus this noise is elevated such that it is audible...in mild cases you hear it when it is quiet, like at night in bed. More severe cases make it audible at higher levels of background sound. So if you only notice it in very quiet circumstances you may be normal, or it may be an early sign of tinnitus.
Occasionally, I have short bursts of tinnitus that fade in a matter of seconds and sound like a loud, high pitched steady tone, in one ear only. Apparently this is experienced by about a third of the population, so I don't worry.
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Old 6th November 2012, 05:19 PM   #12
kevinkr is offline kevinkr  United States
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extremely high frequency hiss sound?
Originally Posted by realflow100 View Post
I do know what 20khz sounds like I've used a program call audacity and set a custom sample rate of 500000 samples per second and then set the 20khz tone to play
it's easily heard as a hissing wizzle sound but not as high as the hissing i'm hearing in my head
What are you using to hear these tones, as it is exceedingly unlikely that any laptop speaker can reproduce tones in this region. I suspect most home speaker systems would have problems reproducing over 20kHz, and to my surprise I have also seen sound cards that support sample rates beyond 44kHz that don't do a very good job above 20kHz if at all. (Several laptops I've owned amongst others) Easy to fall into that trap..

As an aside you may well be able to hear 20kHz at this point in your life, but need to use hardware that can actually reproduce those frequencies to be sure.
"To argue with a person who has renounced the use of reason is like administering medicine to the dead." - Thomas Paine
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Old 7th November 2012, 01:32 AM   #13
realflow100 is offline realflow100  United States
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im using a desktop computer and extremely high quality headphones
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Old 9th November 2012, 06:20 AM   #14
freax is offline freax
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heres a helpful hint, get your ears cleaned out by the local doctor, that did fix up quite a bit of gunk I had in mine once.
diyaudio is against your rights. I do not have the right to be forgotten and after asking the issue has been ignored, therefore I'm leaving (peacefully) for this reason. I stand up for my rights. So long and thanks for all the Fish
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Old 14th November 2012, 08:01 AM   #15
tomtt is offline tomtt
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Originally Posted by sreten View Post

This is just boring tosh from a youngster who is incapable of describing
anything accurately, and knows what "far above" 20KHz sounds like.

Give me a break .... (and some empathy with real hearing problems).

rgds, sreten.

When your only tool is a hammer,
every problem looks like a nail
- Abraham Maslow
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