An open record of things people cannot explain

Austria, Vienna · 2019-06-09 · from the WORLDHUMMAP archive

A low hum in Austria, Vienna

Low frequency hum I first read the description of the other report in my area (the one from hietzinger kai) and thought, hey this person hears the very same sound, and his description (�... in the middle of the night to find the source but everytime i opened my window the hum was gone. back in the bed i could hear it again. however if i go to another room during the night, the humming is way more subtle than in my bedroom.�) is very similar to my experience. The difference however, I also hear it when walking through the bedroom and also in the next room. It�s more prominent on the street side (South) because when i go into the anteroom to the entrance (North) the sound is gone. Also, when opening the window in the bedroom (Streetside/South) the hum can still be heard, sometimes more sometimes less. But at all times very annoying.

What they reported

First noticed: 2018

Pitch: 100hz@sine and 30hz@triangle

Loudest: During the night

Where: Indoors

Symptoms: Ear discomfort (pain, fullness, throbbing), Sense of vibration

Changes with weather: Not sure.

What stood out: a low hum

 

Others who described something like this

2019-03-13

attributes are: humming, acoustic beat-like, interference-like and causing suffering which is impossible to describe to non-hearers as if my brain (or even "soul"!) were locked up or severel

both described a low hum · 7 km away

2023-10-08

a low frequency, persistent humming sound. At first I thought it was road construction in the distance. I lived in my apartment for a few years before I started hearing it. Sometimes I wonde

both described a low hum · in the same place

2019-04-26

like an idling truck in the distance, but pulsed, i feel it by tissues between ears. I know that some companies have audio equipment capable of measuring very low audio frequencies (1Hz and

both described a low hum · 307 km away

2019-05-27

It is exactly like in this video (I found it after some days, after a research for the hum source, without knowing the existence of this recording) https://www.youtube.com/watch?v=hPAt8bIxg

both described a low hum · 457 km away

2019-04-19

A very low frequency but not at the same frequency of Ac distribuition, i'm think at about 70-74Hz, with some phasing change, and some change in volume. I have tried to record also with spec

both described a low hum · 557 km away

2019-03-26

Like a constant low-frequency humming noise, like an idling diesel engine at around 67 Hz. Quite often very invasive. The local environmental authorities ran some audio recording with a clas

both described a low hum · 561 km away

2019-05-06

A low frequency hum, accompanied with a higher sound. I could probably find both sounds on a keyboard. Sometimes it sputters. Every once in a while, the sound disappears and I find relief fo

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

2024-01-06

Quiet hum that gradually got louder as the hours went by, building up to a point where I could feel the hum, but also my body and my head were in this state of distress because the noise and

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

2019-04-21

Oscilating low frequency hum I�ve found out today that this "Hum" is a sound that is reaching all around the world. I�ve been looking desperately for the source since the first tim

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.