He admits that some of Kohlhase’s wilder extrapolations veer into conspiracy-theory territory.

If I listened very carefully, there was perhaps a trace left, but I wasn’t sure whether that was my brain imagining it. I’m only 67!!

In fact, he says, having the furnace inspected every six months will not only help your furnace run at maximum efficiency, but could help prevent some of these sounds from occurring in the first place.

So yes, these noise cancellers pushed my hum below the threshold of hearing. “If an adjustment is needed, it’s not that expensive,” he says. One of them is Steve Kohlhase, an industrial-facilities mechanical engineer living in Brookfield, Connecticut.

These conditions are difficult to diagnose without expert attention, according to Ailion, so consider calling a professional as soon as you hear the noises. I found it interesting to observe that the Vietnamese people seemed a lot less bothered by noise.

From around 12 noon yesterday I have heard an annoying low frequency humming noise which tends to be concentrated in some areas more than others. Can I Get Rid of It?

Early morning there were all sorts of early morning delights that didn’t seem to bother anyone – Cockerels, children, loud exercise classes.

I agree there’s lots to be learned.

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Am desperately trying to find a solution. Unfortunately, I had no ear plugs with me, so in the end I was glad to move rooms. Could it be the “hum,” a mysterious noise heard around the world by thousands of people? It’s not electric, water, propane gas, HVAC, water pressure, bees, phone, cable. “And if the noise has just started, you could help prevent a more serious or complicated repair later.”. I know what I hear!! Instead, Ailion was shocked to discover some new residents: thousands of bees. But the majority of cases remain unexplained. The phenomenon has spawned many conspiracy theories.

The best way to describe this noise: it sounds like an 18 wheeler idling in the driveway.

Touching the wall, I could feel the vibrations. Mysterious humming noise in the house. “Some parts are definitely believable; others less so,” Harkawik said.

Taking the headphones off, the obnoxious hum immediately came back. Some people hear it and some don’t. Recently, we have been hearing a loud, low frequency "hum" throughout our house. “I think most people view the hum as a fringe belief,” Harkawik told me, “because it’s so subjective—people say they hear something that most people can’t hear.

I often travel with a white noise machine because I find it great for masking environmental noise in general and often use it together with foam earplugs. Taking out the earplugs in the morning, the hum returned, but it had lost its “psychological teeth.”.

Despite best efforts, I couldn’t make out the noise anymore.

I have been plagued with a loud droning pulsating low frequency humming noise for 2 years now. I agree, it’s definitely best to avoid that kind of humming noise and change rooms whenever possible. If it’s a bad day, it feels like your brain is being squeezed. It Depends on Where and When. For me it seemed liked that Vietnamese folk had a much higher tolerance to noise. A humming dryer could mean that there’s an object caught in its blower wheel. I rolled up my Purafit and put them in at my standard depth (which is pretty deep for best low frequency noise reduction). What’s That Humming Noise in My Hotel Room? Even if it is at a relatively low frequency, like this 50-Hz hum, a good pair of foam earplugs may be all that is needed to save your sleep.

Have a great day. Sounds like many semis idling in a truck stop lot @ night.

I wasn’t going to make this hotel refit AC compressors. it is an environmental noise, setting up vibrations.

I want it to stop

Walking the streets of Hanoi were an assault on my senses (at times pleasant of course – smell of bun cha) but no one else seemed phased!