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  2. List of unexplained sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_unexplained_sounds

    The name was given because the sound slowly decreases in frequency over about seven minutes. It was recorded using an autonomous hydrophone array. [8] The sound has been picked up several times each year since 1997. [9] One of the hypotheses on the origin of the sound is moving ice in Antarctica. Sound spectrograms of vibrations caused by ...

  3. Electronic voice phenomenon - Wikipedia

    en.wikipedia.org/wiki/Electronic_voice_phenomenon

    The Rorschach Audio Project, initiated by sound artist Joe Banks, [43] [44] [64] [65] which presents EVP as a product of radio interference combined with auditory pareidolia and the Interdisciplinary Laboratory for Biopsychocybernetics Research, a non-profit organization dedicated to studying anomalous phenomena related to neurophysiological ...

  4. Phonautograph - Wikipedia

    en.wikipedia.org/wiki/Phonautograph

    Arguably, these circa 1887 experiments by Berliner were the first known reproductions of sound from phonautograph recordings. [16] However, as far as is known, no attempt was ever made to use this method to play any of the surviving early phonautograms made by Scott de Martinville.

  5. The Martian sounds recorded by the Perseverance rover, so far

    www.aol.com/martian-sounds-recorded-perseverance...

    Snap. Whoosh. Ping. The Mars Perseverance rover, the first robot to record Martian sounds with a real microphone, has already picked up some eerie, extraterrestrial recordings. The sounds ...

  6. 8 eeriest sounds recorded in space - AOL

    www.aol.com/news/2016-08-07-8-eeriest-sounds...

    8 Eeriest Sounds Recorded In Space As the famous Alien movie tagline goes, "in space, no one can hear you scream" because it is a vacuum. However, many spacecraft have captured changes in energy ...

  7. NASA offers explanation for bizarre 'trumpet noise' phenomena

    www.aol.com/news/2015-05-22-nasa-attempts-to...

    Eerie noises have been recorded all over the world recently. NASA is now offering up a possible explanation. NASA offers explanation for bizarre 'trumpet noise' phenomena

  8. Bloop - Wikipedia

    en.wikipedia.org/wiki/Bloop

    Fox's hunch is that the sound nicknamed Bloop is the most likely (out of the other recorded unidentified sounds) to come from some sort of animal, because its signature is a rapid variation in frequency similar to that of sounds known to be made by marine beasts.

  9. Aztec death whistle - Wikipedia

    en.wikipedia.org/wiki/Aztec_death_whistle

    However, these sounds credited as the Aztec death whistle are actually produced by much larger reproductions of the whistle. Music archeologist Arnd Adje Both , who has tested the original excavated whistles, reports that the actual sound produced is far softer, describing it as similar to "atmospheric noise generated by the wind."