An open record of things people cannot explain

Lethbridge, AB · 2018-03-19 · from the WORLDHUMMAP archive

A low hum in Lethbridge, AB

low hum, more intense in my basement As part of work I have had hearing test performed regularly, and found that I have exceptional hearing. Quote from the tester was "You must be able to hear mice in the walls." For year I have had to sleep with ears plug because my wifes breathing was enough to keep me awake. This hum penetrates the ears plugs.

What they reported

First noticed: 2007

Pitch: various, but around the 400 range

Loudest: During the night

Where: Indoors

Symptoms: Ear discomfort (pain, fullness, throbbing), Insomnia

Changes with weather: not sure

What stood out: a low hum

 

Others who described something like this

2018-12-05

sounds like low frequency buzzing noise that comes from all directions the day after i started hearing it, my neighbor about 3 houses up from me called me over to ask what this noise was tha…

both described a low hum

2018-05-17

Low hum. Sounds like it could be a fridge or some other technology or a neighbour's bathroom/kitchen fan but isn't anything that I can find. Hear it at night very loud but also recently one …

both described a low hum

2018-08-26

Low frequency distant vibration, resembling plane engine or purring of a cat. The sound (a humming vibration) is not constant, it comes and goes. It is not a linear/constant sound, it is sli…

both described a low hum

2018-01-31

A lower hum that does increase in volume at times. It stays at a steady pace but, at times can change to a different pattern of wave. It will then go back to the original. It's like a "voooo…

both described a low hum

2018-07-24

distant vibration sounding noise, sounds pulsating. woke me up because when i put my head on my pillow it gets louder, like my pillow acts as a medium from something below me that i can hear…

both described a low hum

2018-05-15

Very low frequency rumbling, like an engine idling at a distance I put together a simple experiment: connected microphone to PC and downloaded some free spectrum analyzer software. In range …

both described a low hum

2021-07-07

A low humming sound, occasionally waves up and down in nature, but is there when I go to bed and the surrounding sounds stop. Almost sounds like a plane flying over head but lasts for most o…

the accounts read alike, found by meaning rather than by shared details

2019-05-21

A low hum with a specific pattern of long and short hums. Hear it mainly out of my right ear. It's not always constant. Some days I don't hear it at all and other times it's very loud (to me…

the accounts read alike, found by meaning rather than by shared details

2019-12-26

A low mono-tonal hum, as though of a refrigerator, but more constant when heard-I've always thought of it as something that just IS, below all other sounds. I don't always hear it, but when …

the accounts read alike, found by meaning rather than by shared details

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This is a Hum report from Dr Glen MacPherson's World Hum Map, an open, worldwide record of people who hear an unexplained low-frequency hum. Reproduced with permission and with thanks; the project is at thehum.info. We remove anything on request. Location shown is approximate.