The elusive “Hum” continues to create worldwide problems, with complaints from North America, Europe, Australia, New Zealand, Japan and elsewhere. Periodically a Hum focus occurs, giving a concentration of complaints in a relatively small area. Despite multiple investigations, a general noise source has not been located and some sufferers are now grasping at a non acoustic origin, such as electromagnetic radiations.
Get full access to this article
View all access options for this article.
References
1.
HanlonJ., “Can some people hear the jet stream?”, New Scientist, Vol. 60, pp. 515-416, 1973.
2.
WilsonS., “Mystery of people who hear the Hum”, New Scientist, Vol. 84, pp. 858-870, 1979.
WatanabeT.MøllerH., “Hearing thresholds and equal loudness contours in free field at frequencies below 1kHz”, Journal of Low Frequency Noise and Vibration, Vol. 9, pp. 135-148, 1990.
7.
CowanJ. P., “The Kokomo Hum Investigation”, Acentech Report 615411, 2003.
8.
FreyA.H., “Human auditory system response to modulated electromagnetic energy”, Jnl Appl Physio, Vol. 17, pp. 689-692, 1962.
9.
ElderJ. A.ChouC. K., “Auditory response to pulsed radio frequency energy”, Bioelectromagnetics, 2003.
10.
O'LoughlinP.LoreeD. L., “Method and device for implementing the radio frequency hearing effect”, US Patent 6,470,214 B1, October 2002.
