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How's your hearing ?
The strangest thing happened to me yesterday.
I was sitting on my bed and rested my head (the temple) on my hand and I could hear a buzzing. Now, I'd had a bad headache a few days before but it didn't sound like the tinnitus associated with it. So, I removed my head from my hand and the sound stopped. Then the penny dropped, you can get bone conduction hearing. Sure enough it was the 11W CFL lamp in my bedside light about 2-3 feet away. If I put my ear up close to it I could hear exactly the same sound. Is that curious or what ? Graham |
How's your hearing ?
"Eeyore" wrote in message ... The strangest thing happened to me yesterday. I was sitting on my bed and rested my head (the temple) on my hand and I could hear a buzzing. Now, I'd had a bad headache a few days before but it didn't sound like the tinnitus associated with it. So, I removed my head from my hand and the sound stopped. Then the penny dropped, you can get bone conduction hearing. Sure enough it was the 11W CFL lamp in my bedside light about 2-3 feet away. If I put my ear up close to it I could hear exactly the same sound. Is that curious or what ? Graham Not particularly, Methinks its just the modulation of the HF switcher at twice the line frequency, 100Hz in your case. Your probably hearing the small HF transformer in the base of the CFL sing at that frequency. |
How's your hearing ?
Eeyore wrote:
The strangest thing happened to me yesterday. I was sitting on my bed and rested my head (the temple) on my hand and I could hear a buzzing. Now, I'd had a bad headache a few days before but it didn't sound like the tinnitus associated with it. So, I removed my head from my hand and the sound stopped. Then the penny dropped, you can get bone conduction hearing. Sure enough it was the 11W CFL lamp in my bedside light about 2-3 feet away. If I put my ear up close to it I could hear exactly the same sound. Is that curious or what ? May be the lamp, or not. I get LF tinnitus sometimes when I am stressed or tired . You could swear there is a humming transformer, resonance, fan, ac, fridge, or whatever somewhere - but there isn't. Especially at night when trying to sleep. It can seem very loud (ie not faint background, but very much 'there'. I even ripped my wall-boards off once, to see if there was a power cable running past my head (there wasn't). Other's can't hear it, and you can't measure it. It can seem quite loud. After years of searching the house and neighbourhood for the source, I funally realised what it was when I had it way up a mountain , miles from anywhere, and figured it was (on that occasion) in just one ear ! Sometimes it will strop if I press my jaw near the ear. Once I stuck my finger in my ear and the hum stopped and it did an orgasmic pulsing thing instead. It is known as The Hum, and there are all sorts of conspiracy theories about it, from weapons research, government mind-control beams, aliens, phantom planets, the Sun getting ready to implode, electrical feilds, HARRP, gravity waves, etc, etc, etc. Most adherents to those ideas radically HATE the idea of something as mundane as (LF) tinnitus. That could be what you had, and attributed it to the lamp. Or it may have actually been the lamp (halogen transformer or fibrillating filament). |
How's your hearing ?
Eeyore wrote:
The strangest thing happened to me yesterday. I was sitting on my bed and rested my head (the temple) on my hand and I could hear a buzzing. Now, I'd had a bad headache a few days before but it didn't sound like the tinnitus associated with it. So, I removed my head from my hand and the sound stopped. Then the penny dropped, you can get bone conduction hearing. Sure enough it was the 11W CFL lamp in my bedside light about 2-3 feet away. If I put my ear up close to it I could hear exactly the same sound. Is that curious or what ? MI5 trying to get at your brain via powerline voodoo? duck and run ... -- SCNR, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM. |
How's your hearing ?
Joerg wrote: Eeyore wrote: The strangest thing happened to me yesterday. I was sitting on my bed and rested my head (the temple) on my hand and I could hear a buzzing. Now, I'd had a bad headache a few days before but it didn't sound like the tinnitus associated with it. So, I removed my head from my hand and the sound stopped. Then the penny dropped, you can get bone conduction hearing. Sure enough it was the 11W CFL lamp in my bedside light about 2-3 feet away. If I put my ear up close to it I could hear exactly the same sound. Is that curious or what ? MI5 trying to get at your brain via powerline voodoo? Why? There's nothing to get at. -- http://improve-usenet.org/index.html aioe.org, Goggle Groups, and Web TV users must request to be white listed, or I will not see your messages. If you have broadband, your ISP may have a NNTP news server included in your account: http://www.usenettools.net/ISP.htm There are two kinds of people on this earth: The crazy, and the insane. The first sign of insanity is denying that you're crazy. |
How's your hearing ?
On Dec 23, 9:22 pm, "Michael A. Terrell"
wrote: MI5 trying to get at your brain via powerline voodoo? Why? There's nothing to get at. BA ZING! |
How's your hearing ?
Joerg wrote: Eeyore wrote: The strangest thing happened to me yesterday. I was sitting on my bed and rested my head (the temple) on my hand and I could hear a buzzing. Now, I'd had a bad headache a few days before but it didn't sound like the tinnitus associated with it. So, I removed my head from my hand and the sound stopped. Then the penny dropped, you can get bone conduction hearing. Sure enough it was the 11W CFL lamp in my bedside light about 2-3 feet away. If I put my ear up close to it I could hear exactly the same sound. Is that curious or what ? MI5 trying to get at your brain via powerline voodoo? duck and run ... LMAO ! If I haven't sent you it already via one means or another do please check this kink, no link. Kink is something else I could elaborate on. Many friends have indulged in it. http://www.avolites.org.uk/jokes/queen.htm Graham |
How's your hearing ?
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How's your hearing ?
geoff wrote: Eeyore wrote: The strangest thing happened to me yesterday. I was sitting on my bed and rested my head (the temple) on my hand and I could hear a buzzing. Now, I'd had a bad headache a few days before but it didn't sound like the tinnitus associated with it. So, I removed my head from my hand and the sound stopped. Then the penny dropped, you can get bone conduction hearing. Sure enough it was the 11W CFL lamp in my bedside light about 2-3 feet away. If I put my ear up close to it I could hear exactly the same sound. Is that curious or what ? May be the lamp, or not. I get LF tinnitus sometimes when I am stressed or tired . You could swear there is a humming transformer, resonance, fan, ac, fridge, or whatever somewhere - but there isn't. Especially at night when trying to sleep. It can seem very loud (ie not faint background, but very much 'there'. I even ripped my wall-boards off once, to see if there was a power cable running past my head (there wasn't). Other's can't hear it, and you can't measure it. It can seem quite loud. After years of searching the house and neighbourhood for the source, I funally realised what it was when I had it way up a mountain , miles from anywhere, and figured it was (on that occasion) in just one ear ! Sometimes it will strop if I press my jaw near the ear. Once I stuck my finger in my ear and the hum stopped and it did an orgasmic pulsing thing instead. It is known as The Hum, and there are all sorts of conspiracy theories about it, from weapons research, government mind-control beams, aliens, phantom planets, the Sun getting ready to implode, electrical feilds, HARRP, gravity waves, etc, etc, etc. Most adherents to those ideas radically HATE the idea of something as mundane as (LF) tinnitus. That could be what you had, and attributed it to the lamp. Or it may have actually been the lamp (halogen transformer or fibrillating filament). It was a CFL. And listening up close revealed an identical sound. Looks like my hearing threshold must still be around 0 dB (phons actually). Graham |
How's your hearing ?
geoff wrote:
It is known as The Hum, and there are all sorts of conspiracy theories about it, from weapons research, government mind-control beams, aliens, phantom planets, the Sun getting ready to implode, electrical feilds, HARRP, gravity waves, etc, etc, etc. Most adherents to those ideas radically HATE the idea of something as mundane as (LF) tinnitus. You obviously have you mind made up about whatever it was that you were hearing and that everyone who differs must be a raving nutcase. But.... I had The Hum for years when I lived near Wolverhampton. An LF pulsing sound that sounded like a large truck parked with its engine running. It started soon after a large gas main was installed nearby and I could "hear" it in and close to our house, especially at night. It sounded so real that I would wonder around the house looking for the source. Nobody else could hear it. I'm not sure it was tinnitus because I only ever heard it in/around the house. It was so location specific. I recall pulling up onto our drive after a completely hum-free holiday and turning off the car engine....immediately I could hear The Hum. Since we have been living in Wales for the last 9 years I have never heard it. I don't know what it is but I would not dismiss it out of hand as LF tinnitus. |
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