11. Recordings and playback experiments support that elephants use the infrasonic components of their calls for communication. 12. In all, around three-quarters of the communication between these highly social animals is infrasonic . 13. On the other end of the spectrum, the lowest frequencies are known as the infrasonic range. 14. Elephants are the terrestrial animal in which the production of infrasonic calls was discovered by Katy Payne. 15. Giraffe researchers found that in a 24-hour period the animals will make several hundred infrasonic sounds. 16. The participants were not told which pieces included the low-level 17 Hz near-infrasonic tone. 17. Other animal early warning systems may rely on an ability to sense infrasonic waves traveling through the air. 18. Infrasonic stimuli are hard to produce and are often transmitted through a filter that attenuates higher frequency components.19. Shortly after a few remixes were released on such labels as Infrasonic , Redux, Mondo and HBR. 20. This article was put up the other say by User : Infrasonic , who likely is Dr Becker himself.
