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Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
Certain words in the English language represent animal sounds: the noises and vocalizations of particular animals, especially noises used by animals for communication. The words can be used as verbs or interjections in addition to nouns , and many of them are also specifically onomatopoeic .
A 1973 report cites a university study of fifty cases of people complaining about a "low throbbing background noise" that others were unable to hear. The sound, always peaking between 30 and 40 Hz (hertz), was found to only be heard during cool weather with a light breeze, and often early in the morning. These noises were often confined to a 10 ...
NASA May Add Messages from Earth to Pluto Probe for Aliens Videos of eerie noises erupting from the skies have recently surfaced on YouTube, sending people into a panic around the world.
An unexplained high-pitched tone has kept residents of a Portland suburb awake at night for at least a week.
Because of this, the animal has been called the loneliest whale in the world. [ 5 ] [ 10 ] [ 11 ] Calls picked up by a sensor in California in 2010 suggest that there may be more than one whale calling at 52 Hz.
Brittany Keller said she was driving to work Oct. 24 when she noticed an unusual animal with a dark coat and long curved tail near a group of deer in Ritter Park in Huntington, the Mountain State ...
xeno-canto, which translates to "strange sound", is a sounds-only project seeking to highlight sounds of birds, rather than images or videos. xeno-canto was launched on May 30, 2005, by Bob Planqué, a mathematical biologist at VU University Amsterdam, and Willem-Pier Vellinga, a physicist who now consults for a global materials technology company. [10]