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Anonymous 20/12/2009(Sun)04:07:17 No.430187  
Unidentified sounds have been recorded over the course of some years by NOAA, or the National Oceanic and Atmospheric Administration (U.S.).

These sounds are of very low frequency, generally below the 50Hz range and are of unknown origin with ranging characteristics.

Linked in this video are the Julia, Train, Whistle, and Upsweep sounds.
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Anonymous 20/12/2009(Sun)04:10:06 No.430189
File: Embedded Video
The video in this message contains the "Bloop" sound, recorded several times over the years.
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Anonymous 20/12/2009(Sun)04:11:04 No.430191
The sounds can be obtained directly from NOAA's site at http://www.pmel.noaa.gov/vents/acoustics/sounds_mystery.html
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Anonymous 28/12/2009(Mon)10:52:21 No.438651
The bloop is relatively popular on 4chan's /x/

I know, I hate to bring up 4chan of all places, but just thought it would be worth mentioning.
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Anonymous 14/1/2010(Thu)08:48:57 No.457975
Steve Zissou: Can you hear the Jack Whales singing?
Ned Plimpton: [Tanker goes off] Beautiful. I wonder what they're saying.
Steve Zissou: Well actually that's a Sludge Tanker over there...
[Several whales sing]
Steve Zissou: There you go!
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Anonymous 16/1/2010(Sat)04:37:29 No.459859
all they are is the frequences that SETI tunes out so they focus on finding proper sources of intellgent transmission. Similar noises coming from distant stars, planets and other stellar bodies. The frequences they emit are identified and tuned out.
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shlak 16/1/2010(Sat)07:37:05 No.460415
SETI listens to SONAR too? i thought these were sound waves, not radio waves??
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Anonymous 17/1/2010(Sun)08:50:30 No.461290
>>460415
That's what my impression was as well.
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Anonymous 06/2/2010(Sat)09:58:57 No.487548
File: 1264141215793_ib4f.jpg - (15.44kb, 506x340, 1264141215793.jpg)
*sigh* Advanced civilizations won't be discovered by ACCIDENT...

The discovery will be intentional and deliberate on their part.

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