An open record of things people cannot explain

United States Austin 78750 · 2018-02-09 · from the WORLDHUMMAP archive

A low hum in United States Austin 78750

It's a resonant "hum", lower in pitch at night, higher thin-sounding whine during the day. The pitch is not an exact note. When higher I first thought it was bugs but no fluxuation like bugs do. When lower, I first thought it was machinery or construction equipment or vehicles, but again, no fluxuation. It is constant, does not pulse or change volume. Similar to hearing batteries in watches, overhead fluorescent lights or the hum of electronics. I suffer from chronic pain and fatigue due to degenerative spine and joint disease last 25 years. I've always had very sensitive hearing and depending on what type of noise I'm exposed to, it can cause agitation, physical and mental stress increasing my chronic pain & fatigue levels. I have a lot of hardware in my body containing titanium and plastic components: 6 dental implants, 3 neck fusions, shoulder reconstruction with titanium clips, 2 lower back fusions, bilateral knee replacements.

What they reported

First noticed: 2012

Pitch: Anywhere from 220-1040 hertz sawtooth

Loudest: During the night

Where: Indoors

Symptoms: Ear discomfort (pain, fullness, throbbing), Insomnia, Sense of vibration, Anxiety, Fatigue, agitation, increased chronic pain

Changes with weather: Possibly

What stood out: a low hum

 

Others who described something like this

2018-10-06

Low frequency hum, always same frequency, I'd estimate around 50hz (at least my perception). I only hear it at/in my home, if I'm at another location, I don't think I've ever heard of it.

both described a low hum

2018-05-24

Low pitch hum estimating around 50-100hz The sound is not a perfect pure tone, and has slight volume changes, it sounds similar to the hum of a fan motor. I have driven around in an attempt

both described a low hum

2018-09-30

A low frequency Hum sound that fluctuates subtly but for the most part is steady The Hum is a low frequency and droning sound and it kind of fluctuates in tone.. almost like an idling diesel

both described a low hum

2018-02-21

Very low-pitched continuous drone. Pitch rises and falls slightly but can remain steady at times. Inaudible to my wife. Reminiscent of the hum from a large transformer/sub station but there

both described a low hum

2018-12-05

Low, soft rumble - as if a large truck were idling in the distance - it varies, but not rhythmically - I can almost "feel" the vibrations. Most predominantly at night, in the bedroom on the

both described a low hum

2018-10-18

Low hum, sometimes pulsating, sometimes not. It is very loud. It sounds like a propeller airplane way off in the distance, but it doesn�t go away. Or an 18-wheeler on a busy freeway,

both described a low hum

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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.