Hi,
Time for you to join the full range speaker forum
As far a I understand it a temporary threshold shift is, well, temporary. This normally occurs after exposure to high SPL's.
What is your work history like? Have you spent a lot of time in noisy factories and around heavy machinery?
I would recommend a quick checkup with the doc to see if you have any deep wax buildup. I hear that this increases with age as well and cotton buds just push it further inside.
Kind regards,
Martin....... I said MARTIN!!
Time for you to join the full range speaker forum
As far a I understand it a temporary threshold shift is, well, temporary. This normally occurs after exposure to high SPL's.
What is your work history like? Have you spent a lot of time in noisy factories and around heavy machinery?
I would recommend a quick checkup with the doc to see if you have any deep wax buildup. I hear that this increases with age as well and cotton buds just push it further inside.
Kind regards,
Martin....... I said MARTIN!!
I can hear very clearly till 19Khz, 20Khz I still hear, but much less loud...
Also the bass I can hear starting from 14Hz.
Maybe My ears could be classified this way
Frequency Response:
15hz ~ 20Khz +/- 12Db
I didn't know that age affects the years ! This topic is very interesting to me.
My mom can NOT perceive a lot of noise that I can. When I turn the TV on, I can hear a very thin sound, about 16Khz coming from the tube (it's time to buy a plasma or lcd tv heehhehe), that she cannot perceive.
My PC monitor at the office is quite old already, and it makes a very annoying noise at about 14Khz, that sometimes makes me loose my patience. Noone can hear this too... They say that I'm crazy !
I'm 19yrs old !
Also the bass I can hear starting from 14Hz.
Maybe My ears could be classified this way
Frequency Response:
15hz ~ 20Khz +/- 12Db
I didn't know that age affects the years ! This topic is very interesting to me.
My mom can NOT perceive a lot of noise that I can. When I turn the TV on, I can hear a very thin sound, about 16Khz coming from the tube (it's time to buy a plasma or lcd tv heehhehe), that she cannot perceive.
My PC monitor at the office is quite old already, and it makes a very annoying noise at about 14Khz, that sometimes makes me loose my patience. Noone can hear this too... They say that I'm crazy !
I'm 19yrs old !
though I don't doupt the high frequencies, I do doupt what you are hearing in the bass area. If you look at the inner ear structure and the way inwhich we percieve low bass as actual sound, it is physically impossible for you to "Hear" 14hz. However, you can hear many of its harmonics, and so that probably is what you are actually hearing. You also can feel it, and there has been some suggestion to bone transmission of sound, though this is ultrasonic, not subsonic, so again, douptful.
As for annoying sounds I can hear that nobody else can, battery chargers are my number one. My brother and I both hear them, and it annoys us. Nobody else can ever hear them though. I also hear all the supposed ring tones that I shouldn't be able to, etc etc. I have had my ears professionally checked and the audiologist checking me felt I had clear response in the top end with minimal if any hearing loss. However, he did feel that I had some possible loss, or maybe never could hear the very deepest bass as well, in the 20hz range.
Before you decide that you can't hear past 9khz, just curious, was your son able to clearly hear much higher than you. I mean, if he wasn't well into the teens, I would first make sure your testing aperatus has a good flat response out to 20khz or more. Often people claim they can't hear on their stereo 15khz, when in actuality the stereo is 6 decibles down, or more in that range. If you have some loss, lets just say 6 decibles, and then the stereo is down 6 decibles, you now have a combined loss of 12 decibles in that range, no big suprise you can't hear it.
As for annoying sounds I can hear that nobody else can, battery chargers are my number one. My brother and I both hear them, and it annoys us. Nobody else can ever hear them though. I also hear all the supposed ring tones that I shouldn't be able to, etc etc. I have had my ears professionally checked and the audiologist checking me felt I had clear response in the top end with minimal if any hearing loss. However, he did feel that I had some possible loss, or maybe never could hear the very deepest bass as well, in the 20hz range.
Before you decide that you can't hear past 9khz, just curious, was your son able to clearly hear much higher than you. I mean, if he wasn't well into the teens, I would first make sure your testing aperatus has a good flat response out to 20khz or more. Often people claim they can't hear on their stereo 15khz, when in actuality the stereo is 6 decibles down, or more in that range. If you have some loss, lets just say 6 decibles, and then the stereo is down 6 decibles, you now have a combined loss of 12 decibles in that range, no big suprise you can't hear it.
My son is 26 and was covering his ears right up to 15Khz as the sound annoyed him so. He might well hear higher and 15Khz is the speakers limit.
I thought the speakers produced nothing below 60hz but that is from listening at the computer desk. We left 40hz running and found it loud in the opposite corners of the room and loudest of all when we stood on the sofa which is between the speakers. Certain parts of the room had no sound at all. My son is into studio recording and was explaining standing waves to me.
Did a google on ear wax, was surprised to learn that it can be responsible for a tickely cough which I do suffer from on occasion, something to do with ears and throat sharing some nerve endings. So I'll be getting a check up.
On a dour note, most UK GPs leave the syringing to the practice nurse who often has been given no training in it. 1 in a 1,000 chance of your hearing being worse after treatment so I will play safe and use a decent ENT clinic.
I thought the speakers produced nothing below 60hz but that is from listening at the computer desk. We left 40hz running and found it loud in the opposite corners of the room and loudest of all when we stood on the sofa which is between the speakers. Certain parts of the room had no sound at all. My son is into studio recording and was explaining standing waves to me.
Did a google on ear wax, was surprised to learn that it can be responsible for a tickely cough which I do suffer from on occasion, something to do with ears and throat sharing some nerve endings. So I'll be getting a check up.
On a dour note, most UK GPs leave the syringing to the practice nurse who often has been given no training in it. 1 in a 1,000 chance of your hearing being worse after treatment so I will play safe and use a decent ENT clinic.
they sell these kits in the states inwhich you place drops in your ear, and it causes the wax to essentially fall out. I have tried this, but would recomend you wear hearing protection right after its down for a little while only because your ears are much more sensitive because of a lack of protection. My Dr. gave me that advice once becuause I can suffer from a bit of wax build up sometimes.
By the way, if your speakers bass response is as finicky as you describe, you might be a good candidate for Corner traps. I made a few because I, like most people, had a similar problem, and it really cleared up the bass response. It also helped even it out around the room so I had less of those dead zones. I too listen from both a main listening chair, between the speakers, and my computer desk. At my computer desk the sub sounded weak, but at the couch it sounded much louder, though still not as loud as the corners, as to be expected. 4 bass traps really changed that, its not perfect by any means, but I no longer have the issues I used to.
By the way, if your speakers bass response is as finicky as you describe, you might be a good candidate for Corner traps. I made a few because I, like most people, had a similar problem, and it really cleared up the bass response. It also helped even it out around the room so I had less of those dead zones. I too listen from both a main listening chair, between the speakers, and my computer desk. At my computer desk the sub sounded weak, but at the couch it sounded much louder, though still not as loud as the corners, as to be expected. 4 bass traps really changed that, its not perfect by any means, but I no longer have the issues I used to.
johnthedoctor said:
Of course it depends a little bit on the level, volume.
But, the correct way to do this is:
1. Calibrate at a lower tone, maybe 440 or 1000 hertz
Set the volume so that it is pretty high volume.
2. Without changing volume setting, try higher and higher frequency
Until you can hear no more.
I did this test, using a CD with sinus tones.
It has got different tracks like 20 seconds long.
From low bass and to 20.000 hertz.
My limit turned out to be ~11.000-12.000 something
Beyond this I can hear nothing.
I do not think this is unusual for a man past 50.
Besides, why do you think we have to speak LOUD to old people?
Sometimes even scream into their ear,
what we can whisper to a young person
This is a natural lifelong process ... gradually hear less and less
Best hearing is a newborn baby.
It simply does never get better, later on.
Only less good and for some really bad
lineup
I can hear 19Khz very clearly. 19.500 is about 3 times less loud, and 20khz is just "perceivable".
Does anyone here can hear anything above 20khz ?
I'm wondering, I'm 19yrs old and I hear almos 100%. So a new baby might hear more than 20Khz easily, don't you think ?!
I would expect something about 22Khz for a baby.
Does anyone here can hear anything above 20khz ?
I'm wondering, I'm 19yrs old and I hear almos 100%. So a new baby might hear more than 20Khz easily, don't you think ?!
I would expect something about 22Khz for a baby.
The kids use "teen repeller" signals as ringtone signals. That way they don't have to turn off their phones in class.
Actually, I hadn't heard about "teen repeller" until now. http://www.npr.org/templates/story/story.php?storyId=5434687
I did know about the high frequency signals, though.
Small children (I don't know up to what age) can hear up to 25k.
Edit: I have gotten c*** for this before. But a no bs doctor here said doctors never go to health check-ups. He thinks it's a waste of time and money. I believe him. I mean, take this bottled-water craze. That's all marketing. The only time you need to drink water all the time is if you live in tropical heat or have a kidney condition. Rest assured, your body will tell you when you need water.
Actually, I hadn't heard about "teen repeller" until now. http://www.npr.org/templates/story/story.php?storyId=5434687
I did know about the high frequency signals, though.
Small children (I don't know up to what age) can hear up to 25k.
Edit: I have gotten c*** for this before. But a no bs doctor here said doctors never go to health check-ups. He thinks it's a waste of time and money. I believe him. I mean, take this bottled-water craze. That's all marketing. The only time you need to drink water all the time is if you live in tropical heat or have a kidney condition. Rest assured, your body will tell you when you need water.
I have nasty earwax, and half the time my hearing's wonky for other reasons. I'm also a paranoid freak when it comes to ear protection - I recieved a lot of weird looks for earplugs at Homecoming, but in my opinion, it's worth it!
While I'm still quite young, my hearing is much better than most.
While I'm still quite young, my hearing is much better than most.
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