'Can't unhear it': West Haven residents share what it's like to live with the persistent hum

I'm used to freight trains. They come and go. But this is constant,” said Kevin McGrath, one of the neighbors.

West Haven residents urge city leaders to act on persistent, mysterious hum sound

WEST HAVEN, Conn. (WTNH) — Residents in West Haven say they are growing frustrated due to a mysterious humming sound that hasn’t gone away. Kimberly Nunes says she first started to hear the noise back ...

A strange ‘humming’ noise drew nationwide attention to CT city. ‘Like a shop vac’ outside a bedroom

Kimberly Nunes, a city resident who thanked officials for the analysis at a recent hearing, said the noise causes disruption, ...
iz

Scientists have learned about the ability of humming sounds to reduce stress

Humming sounds is a simple and affordable way to reduce stress and calm the nervous system. This practice is the basis of the yogic breathing technique bhramari pranayama, or "bee breathing." ...
Ars Technica

Case vibration noise: repeating low hum, like a huge fan at low speeds

Ok, you know the sound those GIANT fans make in movies, like the huge turbines in massive air vents, the blade goes by slowly making that "whoosh" sound that's a low frequency sound.<BR><BR>My ...