Australia, Melbourne · 2022-04-04 · from the WORLDHUMMAP archive
A low hum in Australia, Melbourne
A constant low frequency hum like an electric current - the type of sound you might expect to hear from a guitar amp Yes. This sound is only discernible at a specific location in my bedroom. It is centered right where my head rests on the pillow and slightly to the right - just over my bedside table. If I sit up a metre or so off the bed, it disappears. If I turn around and lie at the other end of the bed, it all but disappears. If I get down and lie on the floor it disappears. I can stand above the bed and activate the sound by bending forward over my pillows and make it disappear again by standing up. This is the only point in the house where it occurs. I have tested this by turning off the mains power so it cannot be from any electrical source within our apartment. We have been here for three years and the hum has only become discernible in the last week.
Started off as a regular pulsating droning sound but has in recent weeks changed to an irregular pulse similar to morse code signal but at the same frequency. It has a deep bass quality that…
Like a helicopter hovering over my neighbourhood or an electrical hum that comes from a stereo but everywhere It sometimes begins with an overhead helicopter but then the helicopter sound de…
Low hum or rumble comes from no where, sounds like trucks passing on the highway, or like I can hear heavy machinery coming from a long way away. It seems to be magnified by the door frame …
A very low frequency, but powerful hum that seems to resonate though the skull The hum seems increase greatly or decrease (to the point of almost cancelling out) in volume depending on my po…
A low, persistent hum that I can only hear at night - most nights but not every single night. It doesn’t have a source that I can find - it seems omnipresent and never varies in pitch or vo…
Low rumbling Yes, I think have something to add to the subject
I have/had experienced three hum/rumbles.
The first one I believe is a “memorised” noise, I was awoken one morning by a large …
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
It's more of a feeling, with a rumble or drone that seems to be right at the edge of my hearing. It ranges from a low frequency rumble that feels like the bed or floor is slightly shaking (…
the accounts read alike, found by meaning rather than by shared details
Very low frequency sound. Humming turning on and off like it tunes at different low frequencies but stays consistent. I typically hear it the most in the evenings when the daily activities a…
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.
Anomaly