It sounds like a compressor or pump to me. It's always the same rhythm. The sound stays in the same tone range about 90-95 % and then changes to a lower tone range. The hum always consists o…
both described a low hum · 161 km away
Germany, Winsen Luhe · 2019-11-12 · from the WORLDHUMMAP archive
At least two resonating layers of a deep, sinewave-type humming sound similar to a distant concrete mixer or idling garbage truck. Base frequency approx 65-67Hz which seems to oscillate at a frequency of 1-2Hz in irregular yet recurring patterns. Thanks for this, it would be great to get feed back about this and other submissions of "hummers" perception. Mark
What they reported
First noticed: 2012
Pitch: Sine wave, 65-67Hz (interfering or resonating "layered" hum sound)
Loudest: During the night
Where: Indoors
Symptoms: Insomnia, sense of "restriction" due to permanence and invasiveniss of noise, difficulty finding rest
Changes with weather: Did not sound as loud in the summertime.
What stood out: a low hum
It sounds like a compressor or pump to me. It's always the same rhythm. The sound stays in the same tone range about 90-95 % and then changes to a lower tone range. The hum always consists o…
both described a low hum · 161 km away
humming of machinery in a distant part of a huge building, as if picked up through bone conduction. Maybe like pressing the ear to the bulkhead of a spaceship you're traveling on. Does the s…
both described a low hum · 274 km away
Low hum, sounds like some kind of machine or industri noise from far away, yet it feels like it is physically nearby. Comparable to the sound of large air mass rushing through some kind of l…
both described a low hum · 279 km away
a dark humming tune constantly same frequenz. I take my time to help you, because the hum gives much stress,... I wonder ,that much people often hear when begins at about 200 Hz No wo…
both described a low hum · 283 km away
Low frequency from around 30 to 60 Hz The sound started appearing after I was sick with severe stress. Some people from the authorities of Copenhagen have measured the sound in my apartment …
both described a low hum · 299 km away
Hierbei handelt es sich um ein unregelm├»┬┐┬╜├»┬┐┬╜iges Brummen oder Wummern. Es ist pl├»┬┐┬╜tzlich aufgetaucht ( Januar 2018). Zu Beginn der inbetriebnahme der drei Windkraftanlagen an d…
both described a low hum · 206 km away
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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.