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Post by musik on Jul 10, 2020 8:46:47 GMT
Tried to rest a while, so I visited my mother. But no.
Here's a torturing kind of low frequency sound. The kind of sound you don't hear, but feel so to say. It began after dinner yesterday, all evening and throughout the night, stopped at 7 o'clock a.m.
Asked my mother yesterday if she could hear it, but she denied, now she "hears" it or feels it and can't sleep either.
A couple of years ago the same problem was where I live. In the end the street was filled with half dressed people looking around and at the roofs to find out where the sound came from. THE noise then came from the ventilation across the street. It wasn't solved until I wrote to the Environment Dpt. The sound wasn't as low as this sound here, it was a bit higher in frequence range.
Back to this low frequency sound, mostly at night.
What could it be?
Road work?
House building?
Ventilation again?
Home distillation?
Ufo?
There are lots of new houses being built around here. 10.000 new households they say, in a few years.
And ... earplugs are NOT helpful in this case. They doesn't at that frequency range.
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sharpy
Academy Starlet
Posts: 104
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Post by sharpy on Jul 10, 2020 9:34:26 GMT
Grow light`s ballast give off a low pitched hum.
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Post by thehartshillbadger on Jul 10, 2020 9:41:16 GMT
My mum suffered with this a while ago and eventually found out it was due to machinery at a nearby factory.
She made a complaint and they implemented some sound reduction. It’s now gone👍🏻
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Post by elystokie on Jul 10, 2020 10:19:00 GMT
A similar noise suddenly appeared near us a couple of years ago, they'd just installed new refrigeration equipment in a nearby store and one of the fans on the roof must have had noisy bearings.
We're a good 3 or4 hundred metres away and could just about hear it, bet it was a nightmare for those living closer.
Took a little while before their head office were convinced but they did sort it, bloody infuriating to be fair.
So looking to the rooves would be my first thought, and try and see or ask around if anyone has had any air conditioning or refrigeration equipment installed or renewed recently.
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Post by musik on Jul 10, 2020 10:48:27 GMT
A similar noise suddenly appeared near us a couple of years ago, they'd just installed new refrigeration equipment in a nearby store and one of the fans on the roof must have had noisy bearings. We're a good 3 or4 hundred metres away and could just about hear it, bet it was a nightmare for those living closer. Took a little while before their head office were convinced but they did sort it, bloody infuriating to be fair. So looking to the rooves would be my first thought, and try and see or ask around if anyone has had any air conditioning or refrigeration equipment installed or renewed recently. My brother works at a store where they sell AC for bedrooms when it's summer hot. They've hundreds of complaints, people who want to return the bigger newer models due to the low freq noise. There's an old lady upstairs and an old couple downstairs. I bet one of them have a big portable AC in the bedroom. |
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Post by thequietman on Jul 10, 2020 12:04:05 GMT
Interesting one, Musik. I don't have an answer for you but you might like to know:
the natural frquency of the human eyeball is 18-19 Hz. Very close to one of the frequencies produced by many helicopter pilots. Which is why there was a spate of helicopters flying into electricity wires stretched between pylons some years ago. The helicopters set up resonance in the pilots' eyeballs and they literally couldn't see the wires.
The heart is about 1Hz, the brain about 10Hz
The abdominal mass is 4-8 Hz. As demonstrated by our physics A level teacher. He built a low-frequency sound generator & demonstrated to us its effects. All very odd until it got down to 8hz. Then those that had been drinking fizzy pop during break had a rather embarrassing experience.
P.S. I have an frequency issue but it's more with higher frequencies. Especially an annoying whine. Seems to happen when I visit the football side of the Oatcake every time Stoke have lost.
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Post by musik on Jul 10, 2020 12:35:04 GMT
Interesting one, Musik. I don't have an answer for you but you might like to know:
the natural frquency of the human eyeball is 18-19 Hz. Very close to one of the frequencies produced by many helicopter pilots. Which is why there was a spate of helicopters flying into electricity wires stretched between pylons some years ago. The helicopters set up resonance in the pilots' eyeballs and they literally couldn't see the wires.
The heart is about 1Hz, the brain about 10Hz The abdominal mass is 4-8 Hz. As demonstrated by our physics A level teacher. He built a low-frequency sound generator & demonstrated to us its effects. All very odd until it got down to 8hz. Then those that had been drinking fizzy pop during break had a rather embarrassing experience. P.S. I have an frequency issue but it's more with higher frequencies. Especially an annoying whine. Seems to happen when I visit the football side of the Oatcake every time Stoke have lost.
I've done a hearing test. They had one extra hour left so I asked if they could also measure outside the normal range. It was no trouble to do so. My range was 11 hertz to 21 kHz. This was of course in the 90ies. They were really surprised about the 11 hertz response. I still can hear when someone used the tv remote and switch channel in another room 8 meters away - with no speaker sound on. I wonder what frequency that is?! Frequency of the eyeball? When muscles move? Mrs Edith:] Now I saw the link in Physics. Very interesting!! I like that a lot. Maybe I hear my spine. Now I understand, everything is in motion. |
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Post by marylandstoke on Jul 11, 2020 0:27:51 GMT
Interesting one, Musik. I don't have an answer for you but you might like to know:
the natural frquency of the human eyeball is 18-19 Hz. Very close to one of the frequencies produced by many helicopter pilots. Which is why there was a spate of helicopters flying into electricity wires stretched between pylons some years ago. The helicopters set up resonance in the pilots' eyeballs and they literally couldn't see the wires.
The heart is about 1Hz, the brain about 10Hz The abdominal mass is 4-8 Hz. As demonstrated by our physics A level teacher. He built a low-frequency sound generator & demonstrated to us its effects. All very odd until it got down to 8hz. Then those that had been drinking fizzy pop during break had a rather embarrassing experience. P.S. I have an frequency issue but it's more with higher frequencies. Especially an annoying whine. Seems to happen when I visit the football side of the Oatcake every time Stoke have lost.
I've done a hearing test. They had one extra hour left so I asked if they could also measure outside the normal range. It was no trouble to do so. My range was 11 hertz to 21 kHz. This was of course in the 90ies. They were really surprised about the 11 hertz response. I still can hear when someone used the tv remote and switch channel in another room 8 meters away - with no speaker sound on. I wonder what frequency that is?! Frequency of the eyeball? When muscles move? Mrs Edith:] Now I saw the link in Physics. Very interesting!! I like that a lot. Maybe I hear my spine. Now I understand, everything is in motion. Frequency of a TV is 16K If you want to keep kids away blast some 14k. The “mosquito” frequency. Us old uns (especially those of us who stood in front of a PA every night) can’t hear it but if will drives kids nuts. |
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Post by marylandstoke on Jul 11, 2020 0:31:15 GMT
Tried to rest a while, so I visited my mother. But no. Here's a torturing kind of low frequency sound. The kind of sound you don't hear, but feel so to say. It began after dinner yesterday, all evening and throughout the night, stopped at 7 o'clock a.m. Asked my mother yesterday if she could hear it, but she denied, now she "hears" it or feels it and can't sleep either. A couple of years ago the same problem was where I live. In the end the street was filled with half dressed people looking around and at the roofs to find out where the sound came from. THE noise then came from the ventilation across the street. It wasn't solved until I wrote to the Environment Dpt. The sound wasn't as low as this sound here, it was a bit higher in frequence range. Back to this low frequency sound, mostly at night. What could it be? Road work? House building? Ventilation again? Home distillation? Ufo? There are lots of new houses being built around here. 10.000 new households they say, in a few years. And ... earplugs are NOT helpful in this case. They doesn't at that frequency range. Lot of long range naval sonar in your area (allegedly) Reports of major whale problems. |
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Post by FbrgVaStkFan on Jul 11, 2020 1:15:31 GMT
Might be worth a try giving him a call Musik...  |
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Post by mrcoke on Jul 11, 2020 8:11:03 GMT
I have known this type of phenomenon be from a number of potential causes. If only one person in the house can hear it, it could be tinnitus. If only one household can hear it, then it could be something in the house like a fridge, electric motor in a chair, or other electrical advise, or possibly the boiler or plumbing. If a neighbourhood can here it is is probably some industrial equipment, like a transformer. This could be local but not necessarily. In Teesside in the 1970s there was a phenomenon called the "Marton hum". www.gazettelive.co.uk/news/local-news/the-marton-hum-3752774There were many theories about what caused the noise which was heard in the Marton area of Middlesbrough. One favourite theory was that it was caused by a chimney at the Redcar steelworks many miles away; geographical and atmospheric conditions combined for the noise to be transmitted up into the upper atmosphere and back down to earth in one location. The chimney had a exhaust fan at its base and it was thought it acted like an large organ pipe. Large scale tuning forks were installed in the chimney to suppress the noise. |
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Post by musik on Jul 11, 2020 9:01:33 GMT
I have an frequency issue but it's more with higher frequencies. Especially an annoying whine. Seems to happen when I visit the football side of the Oatcake every time Stoke have lost. Have you experienced anything similar after visiting a football game, for example at Bet365? And if so, are the frequencies the same? 😉 |
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Post by musik on Jul 11, 2020 9:19:14 GMT
I have known this type of phenomenon be from a number of potential causes. If only one person in the house can hear it, it could be tinnitus. If only one household can hear it, then it could be something in the house like a fridge, electric motor in a chair, or other electrical advise, or possibly the boiler or plumbing. If a neighbourhood can here it is is probably some industrial equipment, like a transformer. This could be local but not necessarily. In Teesside in the 1970s there was a phenomenon called the "Marton hum". www.gazettelive.co.uk/news/local-news/the-marton-hum-3752774There were many theories about what caused the noise which was heard in the Marton area of Middlesbrough. One favourite theory was that it was caused by a chimney at the Redcar steelworks many miles away; geographical and atmospheric conditions combined for the noise to be transmitted up into the upper atmosphere and back down to earth in one location. The chimney had a exhaust fan at its base and it was thought it acted like an large organ pipe. Large scale tuning forks were installed in the chimney to suppress the noise. I will try to find out more about this terror today, but I'm quite sure it's produced inside the building. No sleep this night either, and I think I must upset my mother and tell her I have to leave early and not stay here another day, before I go nuts! I read an article once saying some people die after three nights without any sleep. The worst thing that could happen would be if it returns when I lie down to sleep back at my place ... It's a kind of wave sound. When I go to the other side here, the kitchen or balcony, it stops. My mother says she can't hear it, but "something is there", which disturbs her sleep as well, to some extent. I will ask my brother to record it! I'll be back. So far I believe it's an AC-thing or drying unit in one of the appartments. |
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Post by thehartshillbadger on Jul 11, 2020 9:22:40 GMT
I have known this type of phenomenon be from a number of potential causes. If only one person in the house can hear it, it could be tinnitus. If only one household can hear it, then it could be something in the house like a fridge, electric motor in a chair, or other electrical advise, or possibly the boiler or plumbing. If a neighbourhood can here it is is probably some industrial equipment, like a transformer. This could be local but not necessarily. In Teesside in the 1970s there was a phenomenon called the "Marton hum". www.gazettelive.co.uk/news/local-news/the-marton-hum-3752774There were many theories about what caused the noise which was heard in the Marton area of Middlesbrough. One favourite theory was that it was caused by a chimney at the Redcar steelworks many miles away; geographical and atmospheric conditions combined for the noise to be transmitted up into the upper atmosphere and back down to earth in one location. The chimney had a exhaust fan at its base and it was thought it acted like an large organ pipe. Large scale tuning forks were installed in the chimney to suppress the noise. I will try to find out more about this terror today, but I'm quite sure it's produced inside the building. No sleep this night either, and I think I must upset my mother and tell her I have to leave early and not stay here another day, before I go nuts! I read an article once saying some people die after three nights without any sleep. The worst thing that could happen would be if it returns when I lay down to sleep back at my place ... It's a kind of wave sound. When I go to the other side here, the kitchen or balcony, it stops. My mother says she can't hear it, but "something is there", which disturbs her sleep as well, to some extent. I will ask my brother to record it! I'll be back. So far I believe it's an AC-thing or drying unit in one of the appartments. To be continued.......... |
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Post by musik on Jul 11, 2020 9:41:01 GMT
The worst thing that could happen would be if it returns when I lay down to sleep back at my place ... To be continued.......... I still have problems with "lay down" and "lie down". I meant the latter, I suppose. 😜 |
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Post by thisisouryear on Jul 11, 2020 9:58:34 GMT
The only annoying low frequency noises I hear come from charging phones or tablets. When it's quiet like at night I can't sleep because of the constant noise, it's not loud just like listening to an old computer game loading but at a very low volume. I turn the plug off noise goes away. I could just unplug the device as the noise seems to come from the charging port on my device.
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Post by musik on Jul 11, 2020 11:29:42 GMT
The only annoying low frequency noises I hear come from charging phones or tablets. I know the sound. High freq. |
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Post by mrcoke on Jul 11, 2020 15:08:14 GMT
Some of the noise/conditions described above sound like transformer noise. There are transformers in many electrical devices, like powered chairs, battery chargers, computers, razors, etc. , basically anything where the motor/ equipment operates at a different voltage to the mains voltage, or converting alternating current into direct current.
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Post by thehartshillbadger on Jul 11, 2020 15:31:08 GMT
Some of the noise/conditions described above sound like transformer noise. There are transformers in many electrical devices, like powered chairs, battery chargers, computers, razors, etc. , basically anything where the motor/ equipment operates at a different voltage to the mains voltage, or converting alternating current into direct current. Yes come to think of it I had something similar last year for weeks. In the end found out it was the transformer connected to the house alarm |
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Post by musik on Jul 11, 2020 23:11:38 GMT
Just found out, the swedish permitted guidelines for noise in a building w households are
30 dBA, continuous noise level.
And 45 dBA for intermittent peaks.
Wow!
The sound vibration here is perhaps 15-20 dBA(?), but extremely low freq and highly disturbing. It feels like something reaches the inside of my brain and eats it.
Will leave here tomorrow, before the Stoke game.
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Post by musik on Jul 12, 2020 7:28:19 GMT
Left early today.
I think it's a drying unit in the building.
Someone hammering as early as 06.30 this Sunday morning.
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Post by mrcoke on Jul 12, 2020 8:00:42 GMT
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Post by musik on Jul 12, 2020 11:50:12 GMT
Thanks for asking, but on the contrary I hear much much better than most people not only in my age. But staying in an environment where someone has a low freq unit installed or placed can be devastating for a person's health in so many ways - not only the ears. After some sleep at my own home it feels better. |
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Post by musik on Aug 10, 2020 5:28:29 GMT
Returned to my mother's place to rest my arms and hands.
For the first few days no low freq noise during the night (holiday?).
But now it has started again. It's awful, it "eats" my neck, behind and inside the ears.
Not one minute(!) sleep.
I must return home today. My healing needs some sleep. But now my ears hurt as well.
But my mother and brother don't hear the terror noise any longer! I guess they've got used to it? It has become a part of them.
I made a hearing test btw.
11-22.000 hz were my limits.
11 at 0 dB, 21 khz at +30 dB, 22 khz at +40 dB.
A bit worse than 30 years ago, but still better than most.
I've asked some strangers in the neighbourhood about the the low freq sound, but they didn't know what I was talking about.
Worst case scenario is I have to leave the city I've lived in all my life. They are expanding with a lot more building, roads and all sorts of projects here. Maybe it's the new 5G masts?
I have no idea, but am totally worn out ...
I had an idea this no sleep night of putting up a poster about the noise in the area. I'm doubtful. Maybe too few people hear it?
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Post by musik on Aug 10, 2020 6:08:18 GMT
How does a anti-snoaring, CPAP machine sound?
I have noticed the old man below doesn't snoar anymore. Maybe he has bought a CPAP anti-snoaring machine in the spring, that makes this terrorlike low freq noise?
He and the wife had been on the country side for a few days. Then we had no noise here.
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Post by musik on Aug 10, 2020 6:12:15 GMT
My brother said it could be an ice cooler or large fan - for summer use. He has sold many of those. Some people return them because they're noisy.
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Post by desman2 on Aug 10, 2020 21:38:23 GMT
I went to the doctors with this. Sysinged my ears and it went. He said too much wax can dampen down sounds and create a humming sound in one or both ears.
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Post by musik on Aug 10, 2020 22:09:54 GMT
I went to the doctors with this. Sysinged my ears and it went. He said too much wax can dampen down sounds and create a humming sound in one or both ears. Thanks! 👍 Interesting, but I don't think that's the case here. Now back at my own place and here's no such low freq problem, even though it's in the city center, traffic and all. |
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Post by Clayton Wood on Aug 11, 2020 10:24:55 GMT
Shot in the dark here, but passing it on for what it's worth.
A low humming noise started up out of the blue in our sitting room a while back. Seemed to stop and start frequently. No particular time of the day or evening. If the TV was on we couldn't hear it so not overly loud.
In the end I was scouting around when it was humming and narrowed it down. Under the TV on a shelf is a set top box behind a glass door. It's connected to the internet and 'checks' every 20 minutes or so to see if there are remote recording to add. Or records TV as we programme it to. Each time it does either the disc drive inside starts up. Maybe it got moved a bit dusting or something but it wasn't sitting quite square on the shelf and the disc drive hum amplified. Moved the box a fraction of an inch and it stopped.
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Post by Vadiation_Ribe on Aug 12, 2020 10:08:14 GMT
I was first woken (about 4-5am) and kept awake by a very low rumbling a few months ago. Or maybe it was last year. I thought it was coming from the nearby industrial estate. I've heard/felt it at other times too. I read a good article somewhere about someone who was constantly kept awake by a low rumble many people couldn't hear. It got louder and louder and then more people could hear it. It took years to figure out it was a nearby data centre, loudening as it expanded.
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