04 Aug '12, 2am

Elephant Communication, Mechanisms Behind Calls Unraveled

Elephant Communication, Mechanisms Behind Calls Unraveled

“These vocalizations are called infrasounds because their fundamental frequency is below the range of human hearing,” explained Herbst during a phone interview. “We only hear the harmonics of such sounds, or multiples of that fundamental frequency. If an elephant’s vocal folds were to clap together at 10 Hertz, for example, we would perceive some energy in that sound at 20, 30, 40 Hertz and so on. But these higher overtones are usually weaker in amplitude.”

Full article: http://planetsave.com/2012/08/03/elephant-communication-m...

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