Le « Hum » : ce bruit mystérieux qui empêche des milliers de personnes de dormir
The phenomenon known as the "Hum" has been documented since the 1970s in various locations including England, Canada, the United States, and New Zealand. It is characterized by a persistent, low-frequency sound that affects a minority of the population.…
The phenomenon known as the "Hum" has been documented since the 1970s in various locations including England, Canada, the United States, and New Zealand. It is characterized by a persistent, low-frequency sound that affects a minority of the population. Despite its existence for over five decades, the exact cause remains unidentified.
The Hum is a low-frequency sound, often falling within the infrasonic range (0 Hz to 20 Hz), which is typically undetectable by standard measurement tools. Acoustic equipment deployed in affected areas has largely failed to capture definitive data, although occasional responses have been noted.
Industrial ventilation systems Electrical transformers Pumping networks Maritime and rail traffic
These sources generate infrasonic vibrations that can propagate over long distances, traversing physical barriers such as walls and windows.
The phenomenon known as the "Hum" has been documented since the 1970s in various locations including England, Canada, the United States, and New Zealand.
Individuals affected by the Hum report physical sensations, such as chest pressure and palpitations. The condition is further complicated by psychological effects, including isolation and anxiety due to the inability of others to perceive the sound.
Several hypotheses have been proposed, including the possibility of a neurological basis similar to tinnitus. The Hum may be an external weak stimulus that is amplified by the brain in certain individuals, making it audible to them.
The Hum has significant health repercussions, including chronic insomnia, irritability, cognitive performance decline, memory issues, and increased cardiovascular disease risk. It presents as a multifactorial issue involving environmental, biological, and psychological components, necessitating further multidisciplinary research.
Understanding the Hum requires an integrated approach involving acoustic, medical, and environmental data. The phenomenon highlights the need for comprehensive noise pollution mapping and targeted research to alleviate the impact on affected individuals.
D’après Presse-citron.
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